Showing 1–50 of 6,697 companies

Rank Company Patents
1 GE 760
2 Unknown 734
3 Hitachi 501
#4 Rca 469
#5 Siemens Aktiengesellschaft 463
#6 IBM 454
#7 ExxonMobil 424
#8 US Air Force 385
#9 U.S. Philips 380
#10 Bayer Healthcare 354
#11 Westinghouse Electric 332
#12 Nissan Motor Co. 324
#13 Ciba-Geigy 319
#14 Canon 314
#15 Bell Telephone Laboratories 304
#16 Fujitsu Limited 298
#17 Toshiba 290
#18 E.I. Du Pont De Nemours And 285
#19 Sumitomo Electric Industries 281
#20 Chevron 278
#21 The Dow Chemical 278
#22 General Motors 254
#23 Robert Bosch Gmbh 237
#24 Eastman Kodak 235
#25 Basf Se 233
#26 Xerox 225
#27 Phillips Petroleum 225
#28 US Dept of Energy 220
#29 Hoechst Gmbh 218
#30 Union Carbide 208
#31 RTX (Raytheon) 200
#32 Toyota 196
#33 US Army 189
#34 Olympus Optical Co. 188
#35 3M 188
#36 Honeywell 187
#37 Motorola 178
#38 Ppg Industries 177
#39 Mitsubishi Electric 169
#40 Texas Instruments 154
#41 Caterpillar 153
#42 Rockwell International 153
#43 Merck 152
#44 Bendix Limited 151
#45 Uop 150
#46 ICI 150
#47 Thomson-Csf 147
#48 Sony 142
#49 Ricoh Company 140
#50 American Cyanamid 139