AY

Akira Yamaguchi

Fujitsu Limited: 35 patents #572 of 24,456Top 3%
SO Sony: 32 patents #1,052 of 25,231Top 5%
DC Daiwa Seiko Co.: 22 patents #12 of 217Top 6%
KT Kabushiki Kaisha Toshiba: 20 patents #1,460 of 21,451Top 7%
Sumitomo Electric Industries: 17 patents #1,358 of 21,551Top 7%
FU Fujifilm: 13 patents #684 of 4,519Top 20%
PA Panasonic: 11 patents #2,326 of 21,108Top 15%
DE Denso: 9 patents #1,418 of 11,792Top 15%
FA Fanuc: 8 patents #374 of 1,735Top 25%
CE Chicago Mercantile Exchange: 8 patents #80 of 420Top 20%
Sharp Kabushiki Kaisha: 7 patents #2,322 of 10,731Top 25%
TO Toyota: 6 patents #4,786 of 26,838Top 20%
NO Nok: 6 patents #68 of 725Top 10%
NI Nisshinbo Industries: 5 patents #44 of 375Top 15%
OC Orihiro Engineering Co.: 5 patents #3 of 19Top 20%
MC Myotoku Co.: 4 patents #3 of 12Top 25%
TS Taiyo Nippon Sanso: 4 patents #20 of 203Top 10%
Tdk: 4 patents #1,273 of 3,796Top 35%
KC Kokusai Denshin Denwa Co.: 4 patents #92 of 382Top 25%
MC Murata Manufacturing Co.: 4 patents #1,804 of 5,295Top 35%
TC Tokyo Seimitsu Co.: 3 patents #46 of 257Top 20%
KD Kddi: 3 patents #108 of 396Top 30%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
TO Toshiba: 3 patents #380 of 2,688Top 15%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
SC Screen Semiconductor Solutions Co.: 2 patents #21 of 49Top 45%
Kawasaki: 2 patents #1,008 of 2,943Top 35%
KD Kdd: 2 patents #22 of 96Top 25%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
MI Mikuni: 2 patents #58 of 198Top 30%
Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%
CA Cytiva Sweden Ab: 1 patents #99 of 246Top 45%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
DD Ddi: 1 patents #13 of 53Top 25%
FC Fuji Die Co.: 1 patents #2 of 17Top 15%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
KL Kddi R&D Laboratories: 1 patents #25 of 55Top 50%
MM Memc Electronic Materials: 1 patents #138 of 273Top 55%
MC Mitsubishi Steel Mfg. Co.: 1 patents #53 of 145Top 40%
NC Nippon Chemical Industrial Co.: 1 patents #100 of 212Top 50%
RI Riken: 1 patents #679 of 1,824Top 40%
SC Sanyo Special Steel Co.: 1 patents #50 of 109Top 50%
SC Seiren Co.: 1 patents #61 of 165Top 40%
SC Sokudo Co.: 1 patents #34 of 74Top 50%
SC Sumitomo Seika Chemicals Co.: 1 patents #180 of 365Top 50%
TC Tohoku Techno Arch Co.: 1 patents #52 of 193Top 30%
TK Toyo Boseki Kabushiki Kaisha: 1 patents #541 of 1,085Top 50%
📍 Chicago, IL: #6 of 13,327 inventorsTop 1%
🗺 Illinois: #19 of 84,256 inventorsTop 1%
Overall (All Time): #1,796 of 4,157,543Top 1%
261
Patents All Time

Issued Patents All Time

Showing 226–250 of 261 patents

Patent #TitleCo-InventorsDate
5327274 Optical calculating apparatus 1994-07-05
5280306 Image reproducing apparatus 1994-01-18
5262971 Bidirectional shifter 1993-11-16
5183484 Process for removal of water in raw material mixed gas Masaru Uno, Norio Sekikawa, Fumio Arai, Kenji Matsuzaki 1993-02-02
5181034 Digital to analog converter Hiroshi Takakura, Tetsuya Iida 1993-01-19
5072119 Radiation image read-out apparatus and erasing apparatus 1991-12-10
5036491 Multiport semiconductor memory including an address comparator 1991-07-30
5012438 Reciprocal arithmetic circuit with ROM table 1991-04-30
4934628 Counter housing for fishing 1990-06-19
4925507 Laminating method of thermoplastic resin members 1990-05-15
4921187 Bail inverter for a spinning fishing reel and reel Nobuyuki Yamaguchi 1990-05-01
4917961 Method of producing corrosion-, heat- and wear-resistant member, and the member produced Nobuhiro Tsujii, Genryu Abe, Minoru Mishuku, Nobujiro Tsuchiya 1990-04-17
4914294 Method of and apparatus for correcting image signal Nobutaka Fukai 1990-04-03
4882490 Light beam scanning apparatus having two detectors whose signal ratio indicates main scanning position Yoshimi Takasaki, Ryoichi Yoshimura 1989-11-21
4865521 Vacuum breaking device for ejector pump Yoji Ise 1989-09-12
4861232 Vacuum generating device Yoji Ise 1989-08-29
4854998 Method for manufacturing an analytical element 1989-08-08
4848392 Solenoid on-off valve Yoji Ise 1989-07-18
4822445 Apparatus for processing double face adhesive tape 1989-04-18
4803461 R-2R type D/A converter circuit Toshimasa Kawaai 1989-02-07
4798639 Method of laminating plastic resin sheets 1989-01-17
4783251 Ionic activity measuring device Osamu Seshimoto, Yoshio Saito 1988-11-08
4775990 Serial-to-parallel converter Setsufumi Kamuro 1988-10-04
4741006 Up/down counter device with reduced number of discrete circuit elements Koichi Satoh, Hidemi Iseki, Hiroshi Shigehara 1988-04-26
4694393 Peripheral unit for a microprocessor system Takaaki Hirano, Setsufumi Kamuro, Junichi Tanimoto, Mikiro Okada 1987-09-15