Patents granted 1990-1992 all class assignee classes 395 Hitachi 3512 364 Toshiba 3348 183 NEC 1441 164 Sharp 1456 84 Fujitsu 1094 69 Amdahl 24 12 Canon 3044 62 Matsushita 1667 46 Fuji 3189 26 Sony 1134 26 Mitsubishi 4367 103 AT&T 201 11 Bell's 1639 94 Xerox 1329 63 Motorola 1757 90 Intel 179 50 Texas Instruments 1074 59 Unisys 268 45 Wang 84 42 IBM 2149 506 HP 908 87 Sun 96 52 DEC 518 169 Tandem 35 12 Data General 26 12 Thinking Machines 21 10 Pyramid 6 0 SGI 7 5 MIPS 9 4 Apple 108 25 Claris - - Auspex 2 2 NeXT 8 2 Microsoft 13 9 Adobe 8 1 Lotus 7 1 Novell 1 1 Digital Research - - Borland - - Ashton-Tate - - Oracle - - Sybase - - Symantec - - WordPerfect - - ----- ---- Total 34729 2491 ------ ---- All patents 284112 4696 Patents granted 1990-1992 all class est. assignee classes 395 s/w - diversified (% s/w of my class 395 sample x class 395, then double for other classes) Hitachi 3512 364 437 Toshiba 3348 183 146 NEC 1441 164 0 Sharp 1456 84 118 Fujitsu 1094 69 49 Amdahl 24 12 Canon 3044 62 74 Matsushita 1667 46 9 Fuji 3189 26 Sony 1134 26 Mitsubishi 4367 103 20 AT&T 201 11 147 Bell's 1639 94 Xerox 1329 63 88 - semiconductor (10%, 40%, 20% of class 395 are s/w, then double for other classes) Intel 179 50 10 Motorola 1757 90 72 Texas Instruments 1074 59 24 - h/w and s/w (50% of class 395 are s/w, then double for other classes) Unisys 268 45 27 Wang 84 42 58 IBM 2149 506 506 HP 908 87 52 Sun 96 52 52 DEC 518 169 169 Tandem 35 12 Data General 26 12 Thinking Machines 21 10 10 Pyramid 6 0 0 SGI 7 5 0 MIPS 9 4 Apple 108 25 20 Claris - - Auspex 2 2 1 NeXT 8 2 4 - s/w (all classes) Microsoft 13 9 13 Adobe 8 1 8 Lotus 7 1 7 Novell 1 1 1 Digital Research - - Borland - - 0 Ashton-Tate - - Oracle - - 0 Sybase - - 0 ----- ---- Total 34729 2491 ------ ---- All patents 284112 4696 5635 Patents granted 1990-1992 select subclasses of class 395 AT&T Bell Laboratories 55 Adobe Systems Incorporated 1 Amdahl Corporation 9 Apollo Computer, Inc. 1 Apple Computer, Inc. 12 Auspex Systems, Inc. 1 Bitstream, Inc. 2 Brother Kogyo Kabushiki Kaisha 22 Bull HN Information Systems Inc. 23 Canon Kabushiki Kaisha 28 Casio Computer Co., Ltd. 9 Cisco Systems, Inc. 1 Commodore-Amiga, Inc. 1 Data General Corporation 6 Digital Equipment Corporation 83 Fuji Xerox Co., Ltd. 6 Fujitsu Limited 25 Hitachi, Ltd. 174 NCR Corporation 13 Hewlett-Packard Company 38 Intel Corporation 12 International Business Machines Corporat 311 Kabushiki Kaisha Toshiba 63 Lotus Development Corporation 1 Matsushita Electric Industrial Co., Ltd. 14 Microsoft Corporation 5 Mips Computer Systems, Inc. 1 Mitsubishi Denki Kabushiki Kaisha 35 Motorola, Inc. 33 NEC Corporation 69 NeXT Computer, Inc. 2 Novell, Inc. 1 Prime Computer, Inc. 4 Sharp Kabushiki Kaisha 44 Sun Microsystems, Inc. 23 Tandem Computers Incorporated 6 Texas Instruments Incorporated 19 Thinking Machines Corporation 9 U.S. Philips Corporation 17 Unisys Corporation 28 Wang Laboratories, Inc. 30 Xerox Corporation 29 A. J. Weiner, Inc. 1 AEG Olympia Aktiengesellschaft 1 AG Communication Systems Corporation 4 ASCII Corporation 1 ASEA Aktiebolag 1 AST Research, Inc. 3 Ability Technologies Corporation 1 Acer Incorporated 3 Adaptive Solutions, Inc. 1 Addressease, Inc. 1 Advanced Micro Devices, Inc. 20 Advanced Processor Design Limited 1 Alcatel 7 Allen-Bradley Company, Inc. 12 Alliant Computer Systems Corporation 2 Allied-Signal Inc. 4 Alps Electric Co., Ltd. 1 Altera Corporation 2 Amalgamated Software of North America, I 1 American Microsystems, Inc. 1 American Standard Inc. 1 Ampex Corporation 2 Analogy, Inc. 1 Anamartic Limited 1 Ando Electric Co., Ltd. 1 Applied Creative Technology, Inc. 1 Applied Intelligent Systems,Inc. 1 Archive Corporation 1 Ardent Computer Corporation 1 Asics Corporation 1 Athenix Corporation 1 Automobiles Peugeot 2 BH-F (Triplex) Inc. 1 BMC Software, Inc. 2 Bachman Information Systems, Inc. 1 Barakat, Simon 1 Bayerische Motoren Werke Aktiengesellsch 1 Beehive International 1 Beijing Stone New Technology Research In 1 Beran, James T. 1 Bergstresser, Sr., Arthur R. 1 Blueprint Technologies Incorporated 1 Bolt Beranek and Newman Inc. 1 Book Data, Ltd. 1 Boria, John I. 1 Borrey, Roland G. 1 British Aerospace Public Limited Company 1 Bryant, Stewart F. 1 Bso/Buro Voor Systeemontwikkeling B.V. 1 British Telecommunications public limite 2 Burkowski, Forbes J. 1 Burr-Brown Ltd. 1 Caro, Marshall A. 1 Caseworks, Inc. 1 Cayman Systems, Inc. 1 Center for Innovative Technology 1 Chernow, Fred 1 ChipSoft CA, Corp. 1 Chips and Technologies, Inc. 3 Chipsoft CA Corp. 1 Chrysler Corporation 2 Cirrus Logic, Inc. 1 Citizen Watch Co., Ltd. 1 Clearpoint Research Corporation 2 CoWorks 1 Codex Corporation 3 Cognitronics Corporation 1 Colorado Memory Systems, Inc. 1 Compagnie Generale d'Electricite 1 Compaq Computer Corporation 18 Computer Associates International, Inc. 1 Comshare Incorporated 1 Connectix, Inc. 1 Control Data Corporation 1 Convergent Technologies, Inc. 1 Convex Computer Corporation 2 Cordell Manufacturing, Inc. 1 Counterpoint Computers, Inc. 1 Cray Research, Inc. 1 Crowninshield Software, Inc. 1 Cruickshank, Ancil B. 1 Cylink Corporation 1 Cyrix Corporation 1 DSP Technology 1 Dai Nippon Insatsu Kabushiki Kaisha 1 Dainippon Screen Mfg. Co., Ltd. 1 Dallas Semiconductor Corporation 4 DataCard Corporation 1 Dataflow Computer Corporation 1 Datapoint Corporation 1 David Computer Corporation 1 David Schwartz Enterprises, Inc. 1 Davin Computer Corporation 1 Dayna Communications, Inc. 1 Delco Electronics Corporation 1 Dell USA Corporation 3 Deran, Roger L. 1 Deutsche ITT Industries GmbH 1 Digital Electric Corporation 1 Dilts, Robert B. 1 Director General of Agency of Industrial 1 Director, Dennis 1 Disk Emulation Systems, Inc. 1 Distributed Matrix Controls Inc. 1 Donohoo, Theodore J. 1 Drexler Technology Corporation 1 Du Pont Pixel Systems Limited 1 Dubnoff, Steven J. 1 Dunthorn, David I. 1 Dynix 1 Dysart, John A. 1 Dziewit, Halina S. 1 E-Systems, Inc. 1 EDA Systems, Inc. 1 EMC Corporation 1 Eastman Kodak Company 4 Echelon Corporation 2 Edgcore Technology, Inc. 1 Electric Industry Co. Ltd. 1 Ellis Corporation 1 Elsag International B.V. 1 Elscint Ltd. 1 Encore Computer Corporation 4 Engineered Data Products, Inc. 1 European Computer-Industry Research Cent 1 Evans & Sutherland Computer Corp. 2 Ewert, Alfred P. 1 F.M.E. Corporation 1 FMC Corporation 1 FME Corporation 1 Face Technologies, Inc. 1 Fanuc Ltd. 8 Finn, Charles A. 1 Finnigan Corporation 1 Flavors Technology Inc. 1 Fleetwood Furniture Company, Inc. 1 Fletcher, Mitchell S. 1 Floating Point Systems, Inc. 2 Force Computers GmbH 1 Foreman, Dennis J. 1 Franklin Electronic Publishers, Incorpor 1 GE Fanuc Automation North America, Inc. 8 GRiD Systems Corporation 1 General DataComm, Inc. 1 General Electric Company 7 General Instrument Corporation 1 General Motors Corporation 2 General Signal Corp. 1 Ghering, Boyd W. 1 Gibson, Glenn A. 1 Giorgio, Paul J. 1 Gould Inc. 1 Greenfeld, Norton R. 1 Grid Systems Corporation 2 Gruman Aerospace Corporation 1 Grumman Aerospace Corporation 1 H. Berthold AG 1 Hand Held Products, Inc. 1 Handley, George E. 1 Hansen, Robert G. 1 Harris Corporation 5 Harris, Edward S. 1 Hazox Corporation 1 Heads Up Technologies, Inc. 1 Heffner, III, Horace W. 1 Helix Software Company, Inc. 1 Hempleman, James D. 1 Hillis, W. Daniel 1 Hiromori Inc. 1 Holtz, Klaus 1 Honda Giken Kogyo Kabushiki Kaisha 1 Honeywell Inc. 6 Hughes Aircraft Company 7 Human Microprocessing, Inc. 1 Hyatt, Gilbert P. 3 Hyduke, Stanley M. 1 IRO AB 1 ITT Corporation 1 Icom, Inc. 1 Icon Systems International, Inc. 1 Ikegami Tsushinki Co., Ltd. 1 Image Storage/Retrieval Systems, Inc. 1 Industrial Technology Research Institute 1 Inmos Limited 2 Insinooritoimisto BertelEkengren Oy 1 Integrated Device Technology, Inc. 3 Integrated Inference Machines 1 Integrated Systems, Inc. 1 IntelliCorp, Inc. 1 Intelligence Quotient International Limi 1 Intelligent Computer Engineering, Inc. 1 Intellisystems, Inc. 1 Intergraph Corporation 1 International Computers Limited 8 International Parallel Machines, Inc. 1 Iomega Corporation 1 Island Software, Inc. 1 JMI Software Consultants Inc. 1 Jachmann, Emil F. 1 John Fluke Mfg. Co., Inc. 1 Johnson, Simon 1 Jordan, Dale A. 1 Jupiter Technology, Inc. 1 Kabushiki Kaisha Meidensha 1 Kaiser, Richard R. 1 Katzeff, Kurt 1 Kelly, Douglas J. 1 Keycom Electronic Publishing 1 Kleinberger, Paul J. 1 Koegel, Robert J. 1 Kokusai Denshin Denwa Co., Ltd. 1 Kristen, Franz 1 Kroy Inc. 1 L & C Family Partnership 1 LSI Logic Corporation 1 Laboratory Technologies Corporation 1 Larson, Ronald J. 1 Legent Corporation 1 Lent, Robert S. 1 Lentz, Stephen A. 1 Lerner, Moisey 1 Lexmark International, Inc. 2 Lockheed Sanders, Inc. 1 Logicon Incorporated 1 Loral Aerospace Corp. 2 Lucid Corporation 1 Macromedia, Inc. 1 Mark Williams Company 1 Massachusetts Institute of Technology 4 Mazda Motor Corporation 1 McCalley, Karl W. 1 McGarity, Ralph C. 1 McKinley, Robert E. 1 Medical Documenting Systems, Inc. 1 Menon, Moothedath J. 1 Mensch, Jr., William D. 2 Meridian Data, Inc. 1 Metalink Corporation 1 Mickunas, Marshall D. 1 Micron Technology, Inc. 1 Midori Electronics Co., Ltd. 1 Minicom Data Corporation 1 Mino, Yoshihito 1 Minolta Camera Kabushiki Kaisha 12 Mita Industrial Co., Ltd. 1 Mitel Corporation 1 Modular Computer Systems, Inc. 2 Moore Business Forms, Inc. 1 Morinaga, Shigeki 1 Morton, Steven G. 1 Muller, Otto 1 Mutoh Industries, Ltd. 1 NCUBE Corporation 1 Naigai Clothes Co., Ltd. 1 Nakano, Akira 1 National Instruments, Inc. 1 National Semiconductor Corporation 3 Network Equipment Technologies, Inc. 1 Network Systems Corporation 1 Newman, William C. 1 Nexgen Microsystems 1 Nintendo Company Limited 1 Nippon Telegraph and Telephone Corporati 3 Nissan Motor Company, Limited 3 Northern Telecom Limited 4 Nucleus International Corporation 1 O'Dell, Robert B. 1 Oce-Nederland B.V. 4 Oki Electric Industry Co., Ltd. 8 Olympus Optical Co., Ltd. 1 Omron Tateisi Electronics Co. 2 PFU Limited 2 Pacific Bell 1 Panafacom Limited 1 Personal Computer Peripherals Corporatio 1 Petron Controls Corporation 1 Physio Systems, Inc. 1 Picker International, Inc. 1 Pioneer Electronic Corporation 2 Pitney Bowes Inc. 11 Polytel Computer Products Corporation 1 Preco Industries, Inc. 1 President and Fellows of Harvard College 1 Process Modeling Investment Corp. 1 Prometrix Corporation 1 Quantum Corporation 1 Racal Data Communications Inc. 4 Raster Technologies, Inc. 1 Ravid, Gonen 1 Raytheon Company 1 Recognition Equipment Incorporated 2 Reflection Technology, Inc. 1 Regents of the University of California 1 Regents of the University of Minnesota 1 Reuters Limited 1 Rever Computer Inc. 1 Ricoh Company, Ltd. 15 Robbins, Walter A. 1 Robert Bosch GmbH 3 Rockwell International Corporation 2 SAM Technology, Inc. 1 SF2 Corporation 1 SGS-Thomson Microelectronics SA 2 Sakai, Sadashiro 1 Samatham, Maheswara R. 1 Sanders Associates, Inc. 2 Sanders, Michael J. 1 Sanyo Electric Co., Ltd. 2 Sasib S.p.A. 1 Schlumberger Technology Corporation 3 Science Applications International Corpo 1 Sears Communications Network, Inc. 1 Seiko Instruments, Inc. 3 Siemens Aktiengesellschaft 13 Skinner, James T. 2 Sloan, Scott K. 1 Smith, Harry F. 2 Smithsonian Institution 1 Softworx, Inc. 1 Sony Corporation 3 Spectragraphics, Inc. 1 Sprint International Communications Corp 2 Square D Company 7 Stallion Technologies, Pty. Ltd. 1 Star Semiconductor Corporation 1 Stardent Computer, Inc. 1 Stellar Computer, Inc. 2 Storage Technology Corporation 10 Stratus Computer, Inc. 6 Sundstrand Corporation 1 Sunriver Corporation 1 Supercomputer Systems Limited Partnershi 6 Syncsort Incorporated 1 Syntellect Software Inc. 1 Syracuse University 1 Sysmith, Inc. 1 TRW Inc. 2 Tandon Corporation 1 Tektronix, Inc. 9 Telecommunication Laboratories, Director 1 Teradata Corporation 3 Teradyne, Inc. 1 The Board of Trustees of the Leland Stan 1 The Boeing Company 6 The California Institute of Technology 1 The Charles Stark Draper Laboratory, Inc 1 The Exchange System Limited Partnership 1 The Johns Hopkins University 2 The Marconi Company Limited 1 The Mitre Corporation 1 The Regents of the University of Califor 1 The Secretary of State for Defence in He 2 The United States of America as represen 12 Thomson-CSF 1 Tokyo Electric Co., Ltd. 1 Tokyo Shibaura Denki Kabushiki Kaisha 1 Transaction Technology, Inc. 1 Traveling Software, Inc. 1 Tseung, Lawrence C. N. 2 Ultrasystems Defense Inc. 1 United States Department of Energy 1 United Technologies Corporation 8 Universities Research Association, Inc. 1 VISystems, Inc. 2 VLSI Technology, Inc. 4 Vaughan, H. W. 1 Vicom Systems, Inc. 1 Victoria University of Manchester 1 Visual Information Technologies, Inc. 1 Vital Lasertype, Inc. 1 Vlach, Martin 1 Vortex Systems, Inc. 1 WISC Technologies, Inc. 1 WNM Ventures Inc. 1 Wang, Yulan 1 Washington State University Research Fou 1 Wavetracer, Inc. 2 Weinberger, Joseph 1 Weitek Corporation 1 Westcorp Software Systems, Inc. 1 Western Digital Corporation 4 Westinghouse Electric Corp. 7 Wiedemer, John D. 1 Wiltron Company 1 Winiger, Werner J. 1 Wisconsin Alumni Research Foundation 3 Woodward, Thomas R. 1 XOX Corporation 1 Xitron, Inc. 1 Xu, Zhaochang 1 Yale University 1 Yamaha Corporation 2 Yamaki, Kazunori 1 Yeh, Victor C. 1 Yokogawa Electric Corporation 1 Zenith Data Systems Corporation 2 Zilog, Inc. 3 nHance Development Corporation 1 --------------------------------------------- total 1666 entities with 1 patent 314 entities with 2 patents 41 entities with 3 patents 17 entities with 4 patents 12 entities with 5 patents 2 entities with >5 patents 54 all smaple 10: 60% s/w IBM sample 10: 60% s/w Hitachi sample 10: 60% s/w DEC sample 10: 50% s/w Intel sample 10: 10% s/w Motorola sample 10: 40% s/w TI sample 10: 20% s/w Toshiba sample 10: 40% s/w NEC sample 10: 0% s/w Mitsubishi sample 10: 10% software Canon sample 10: 60% s/w Bell's sample 10: 70% s/w Sharp smaple 10: 70% s/w Fujitsu sample 10: 30% s/w Matsushita sample 10: 10% s/w Unisys sample 10: 30% s/w Hewlett-Packard sample 10: 30% s/w Wang sample 10: 70% s/w Sun sample 10: 50% s/w Apple sample 10: 40% s/w