AT

Akira Tanaka

KT Kabushiki Kaisha Toshiba: 70 patents #182 of 21,451Top 1%
PA Panasonic: 31 patents #493 of 21,108Top 3%
MC Murata Manufacturing Co.: 30 patents #175 of 5,295Top 4%
Fujitsu Limited: 27 patents #902 of 24,456Top 4%
HI Hitachi: 25 patents #1,255 of 28,497Top 5%
Honda Motor Co.: 24 patents #415 of 21,052Top 2%
ML Mitsubishi Paper Mills Limited: 18 patents #9 of 458Top 2%
SO Sony: 17 patents #2,459 of 25,231Top 10%
Sumitomo Electric Industries: 16 patents #1,466 of 21,551Top 7%
EB Ebara: 13 patents #164 of 1,611Top 15%
NC Nippon Leakless Industry Co.: 11 patents #1 of 67Top 2%
AE American Safety Equipment: 10 patents #2 of 17Top 15%
FA Fanuc: 9 patents #323 of 1,735Top 20%
NC Nippon Zeon Co.: 7 patents #47 of 609Top 8%
TO Toyota: 7 patents #4,145 of 26,838Top 20%
YK Yoshida Kogyo K.K.: 6 patents #69 of 468Top 15%
IC Idemitsu Petrochemical Co.: 6 patents #48 of 578Top 9%
TI Toyota Industries: 4 patents #225 of 955Top 25%
Casio Computer Co.: 4 patents #615 of 1,970Top 35%
Kubota: 4 patents #505 of 2,059Top 25%
Aisin Seiki Kabushiki Kaisha: 4 patents #844 of 3,782Top 25%
NE Nec: 3 patents #4,195 of 14,502Top 30%
NS Nippon Soken: 3 patents #406 of 1,540Top 30%
MA Maxell: 3 patents #182 of 437Top 45%
HC Hitachi Haramachi Electronics Co.: 3 patents #5 of 64Top 8%
HC Hitachi Consumer Electronics Co.: 2 patents #119 of 447Top 30%
KL Kabushiki Kaisha Honda Lock: 2 patents #36 of 171Top 25%
DE Denso: 2 patents #4,986 of 11,792Top 45%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
FL Fujitsu Kasei Limited: 2 patents #1 of 32Top 4%
CK Casio Keisanki: 2 patents #73 of 124Top 60%
OC Otsuka Electronics Co.: 2 patents #24 of 80Top 30%
HC Honda Lock Mfg. Co.: 2 patents #10 of 77Top 15%
TU Tohoku University: 2 patents #330 of 1,680Top 20%
NI Nikon: 2 patents #1,269 of 2,493Top 55%
TI Tokyo Electric Power Company Holdings, Incorporated: 2 patents #90 of 711Top 15%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
SC Shin-Kobe Electric Machinery Co.: 2 patents #43 of 199Top 25%
TG Tokyo Metropolitan Government: 1 patents #13 of 50Top 30%
TS Tokyo Metropolitan Institute Of Medical Science: 1 patents #49 of 122Top 45%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
TC Toppan Printing Co.: 1 patents #691 of 1,467Top 50%
TS Toshiba Electronic Devices & Storage: 1 patents #470 of 900Top 55%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
YK Ykk: 1 patents #472 of 845Top 60%
ZE Zeon: 1 patents #435 of 734Top 60%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
CK Churyo Engineering Kabushiki Kaisha: 1 patents #16 of 45Top 40%
CC Clarion Co.: 1 patents #397 of 721Top 60%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
FL Fujitsu Toshiba Mobile Communications Limited: 1 patents #30 of 113Top 30%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
HK Honda Giken Kogyo K.K.: 1 patents #97 of 311Top 35%
HK Honda Giken Koygo: 1 patents #31 of 356Top 9%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
IC Ishikawajima-Harima Heavy Industries Co.: 1 patents #251 of 611Top 45%
IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
JC Jeco Co.: 1 patents #30 of 73Top 45%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
KC Kureha Chemical Industry Co.: 1 patents #91 of 215Top 45%
MK Maruma Jyusharyo Kabushiki Kaisha: 1 patents #5 of 9Top 60%
MC Mita Industrial Co.: 1 patents #653 of 891Top 75%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
AC Aisan Industry Co.: 1 patents #46 of 109Top 45%
NU National University Corporation Hokkaido University: 1 patents #278 of 825Top 35%
NK Nihon Kohden: 1 patents #238 of 467Top 55%
NC Nippon Air Brake Co.: 1 patents #53 of 107Top 50%
NC Nippon Notion Kogyo Co.: 1 patents #8 of 16Top 50%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
ND Ntt Docomo: 1 patents #1,030 of 1,706Top 65%
OC Oki Electric Co.: 1 patents #3 of 39Top 8%
OC Otsuka Pharmaceutical Co.: 1 patents #681 of 1,273Top 55%
PP P. L. Porter: 1 patents #11 of 17Top 65%
RC Richo Company: 1 patents #3 of 57Top 6%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
RI Rigaku Industrial: 1 patents #15 of 51Top 30%
SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
TC Taiyo Steel Co.: 1 patents #4 of 19Top 25%
TL Teijin Fibers Limited: 1 patents #22 of 77Top 30%
TC Teijin Frontier Co.: 1 patents #12 of 41Top 30%
TO Tokai: 1 patents #25 of 68Top 40%
📍 Nagaokakyo, CA: #1 of 12 inventorsTop 9%
Overall (All Time): #663 of 4,157,543Top 1%
394
Patents All Time

Issued Patents All Time

Showing 351–375 of 394 patents

Patent #TitleCo-InventorsDate
4747667 Plastic lens array Eietsu Takahashi, Masao Tanaka, Minoru Terashima, Toshito Hara 1988-05-31
4744244 Cylinder pressure sensor output compensation method for internal combustion engine 1988-05-17
4744243 Method of and apparatus for detecting maximum cylinder pressure angle in internal combustion engine 1988-05-17
4739649 Method of and apparatus for detecting maximum cylinder pressure angle in internal combustion engine 1988-04-26
4718382 Device for controlling ignition timing in internal combustion engine 1988-01-12
4716759 Method of detecting cylinder pressure and cylinder pressure detection device in internal combustion engine 1988-01-05
4706344 Button assembly Hirokazu Watanabe 1987-11-17
4686749 Capped eyelet for attaching snap fastener Takeo Fukuroi 1987-08-18
4684096 Mounting device for helmet 1987-08-04
4659108 Automatic seat belt adjusting system John Sack, Nazareth Stamboulian 1987-04-21
4656700 Lightweight, multiple-point, quick-release, safety buckle for body harnesses Hans Unger 1987-04-14
4635539 Automatic skewered food roaster 1987-01-13
4628684 Method of piecing a yarn in an open-end spinning machine Takayuki Morita, Takahiko Tsunekawa, Hisao Amano 1986-12-16
4629362 Shield tunneling machine Norio Kainuma, Takashi Sakuraya, Yoshio Yanagi 1986-12-16
4626700 Hydraulic reservoir with fluid level detector Ryuichi Tanaka 1986-12-02
4621491 Method of discriminating fitting pressure for links on a track press Yasumitsu Moriki, Izumi Takahashi 1986-11-11
4622290 Silver halide photographic emulsion Hidetoshi Miura 1986-11-11
4599300 Direct positive silver halide photographic emulsions Hidetoshi Miura, Masao Koga 1986-07-08
4569470 Button orienting and placing apparatus 1986-02-11
4565278 Method of transferring yarn packages Isao Asai, Shigeru Muramatsu, Takayuki Morita 1986-01-21
4550560 Method for piecing fasciated yarn Takahiko Tsunekawa, Kazuo Seiki, Haruyoshi Nakamura 1985-11-05
4545193 Method for piecing fasciated yarn Kazuo Seiki, Haruyoshi Nakamura 1985-10-08
4529849 Push-button switch and a keyboard comprising the same Seisuke Kamei, Toshiaki Tanaka, Kazutoshi Hayashi, Ryohei Kinoshita 1985-07-16
4501547 Apparatus for shaping coiled slide fastener coupling elements Hisayoshi Mizuhara, Shigenori Omori 1985-02-26
4501811 Process for making lithographic printing plates Masahiko Saikawa, Eiji Kanada, Kazunaka Endo 1985-02-26