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 326–350 of 394 patents

Patent #TitleCo-InventorsDate
4901053 Anti-theft system for automotive vehicles Masaaki Fukamachi, Mobuyuki Onitsuka, Kazuo Nakamura 1990-02-13
4891831 X-ray tube and method for generating X-rays in the X-ray tube Satoshi Shimada, Kazuji Yamada, Yusaku Nakagawa, Motohisa Nishihara, Tadahiko Miyoshi +3 more 1990-01-02
4890364 Split ring springs for snap fasteners and method of manufacturing the same Kenji Hasegawa 1990-01-02
4880084 Mechanical linear lock with redundant locking feature Jimmy C. Lee 1989-11-14
4873760 Vessel lid mounting and demounting apparatus Naoto Watanabe, Takayuki Matsumoto, Yutaka Ohmura, Hisao Kojima 1989-10-17
4872439 Device for preventing outflow of a fuel vapor from a fuel tank Hidefumi Sonoda, Eiji Mori, Mitsuo Kawase, Kazuhiro Yoneshige, Akira Takahashi +1 more 1989-10-10
4868409 Vehicular anti-theft system Norimitsu Kurihara 1989-09-19
4862139 Anti-theft system for automotive vehicles Masaaki Fukamachi, Nobuyuki Onitsuka, Kazuo Nakamura 1989-08-29
4856480 Apparatus for controlling ignition timing in internal combustion Toyohei Nakajima, Toshiyuki Mieno, Akira Nagao, Yukihiko Suzaki 1989-08-15
4841935 Variable air induction control system for internal combustion engine Hideji Yamada, Akira Nagao, Toyohei Nakajima, Yukihiko Suzaki, Masao Jogen 1989-06-27
4818676 Silver halide photographic emulsion Susumu Baba, Eigi Matsubara, Katsuaki Iwaosa 1989-04-04
4809532 Method of manufacturing split ring springs for snap fasteners Kenji Hasegawa 1989-03-07
4808812 Composite type light sensor having plural sensors with different light receiving angle optical characteristics Shigeru Kimura, Toshiaki Ikeda, Toru Tanabe, Seiichi Suto, Takao Seto 1989-02-28
4802454 Device for controlling ignition timing in internal combustion engine 1989-02-07
4800500 Method of detecting cylinder pressure in internal combustion engine 1989-01-24
4796586 Method of and apparatus for controlling ignition timing in internal combustion engine Akira Nagao, Yukihiko Suzaki, Hideji Yamada, Toyohei Nakajima, Toshiyuki Mieno 1989-01-10
4790281 Method of and apparatus for controlling ignition timing in internal combustion engine Toshiyuki Mieno, Toyohei Nakajima, Akira Nagao, Yukihiko Suzaki 1988-12-13
4788822 Apparatus for controlling boost pressure in turbocharged internal combustion engines Toshiyuki Mieno, Toyohei Nakajima, Akira Nagao 1988-12-06
4784933 Method for making lithographic printing plate using light wavelengths over 700 .mu.m Eiji Kanada, Yasuo Tsubai, Toshiro Kondo, Yoshikazu Takaya, Masahiko Saikawa +1 more 1988-11-15
4779166 Illuminating apparatus Shinpei Nagatani, Hisashi Sawada, Eietsu Takahashi, Noboru Wakatsuki, Takehisa Takoshima +1 more 1988-10-18
4773273 Karman vortex flowmeter Norimitsu Kurihara 1988-09-27
4770961 Light sensitive materials for lithographic printing plates Eiji Kanada, Yoshikazu Takaya, Masahiko Saikawa, Hidetoshi Miura 1988-09-13
4765634 Metal gasket for a cylinder head on an internal combustion engine Masaaki Kobayashi, Norio Hanba, Tsunehiko Abe 1988-08-23
4760733 Method of detecting cylinder pressure in internal combustion engine 1988-08-02
4757720 Karman vortex flowmeter 1988-07-19