TI

Toshihiko Igashira

NS Nippon Soken: 75 patents #4 of 1,540Top 1%
TO Toyota: 26 patents #728 of 26,838Top 3%
DE Denso: 7 patents #1,924 of 11,792Top 20%
NC Nippondenso Co.: 5 patents #465 of 3,479Top 15%
📍 Toyokawa, JP: #3 of 656 inventorsTop 1%
Overall (All Time): #20,247 of 4,157,543Top 1%
85
Patents All Time

Issued Patents All Time

Showing 51–75 of 85 patents

Patent #TitleCo-InventorsDate
4550744 Piezoelectric hydraulic control valve Yasuyuki Sakakibara, Toru Yoshinaga, Seiko Abe, Kazuhide Watanabe 1985-11-05
4546749 Fuel injection apparatus Yasuyuki Sakakibara, Seiko Abe, Hiroshi Koide, Kazuo Shinoda 1985-10-15
4535735 Multi-gap spark ignition system Toru Yoshinaga, Hisasi Kawai, Seiji Morino, Norihiko Nakamura 1985-08-20
4535743 Fuel injection apparatus for an internal combustion engine Taro Tanaka, Yasuyuki Sakakibara 1985-08-20
4529164 Piezo-type valve Yasuyuki Sakakibara, Toru Yoshinaga, Seiko Abe, Kazuhide Watanabe 1985-07-16
4522177 Temperature compensated fuel injection system for internal combustion engines Hisasi Kawai, Toshikazu Ina, Ken Nomura, Masakazu Yoshida, Takao Komoda +1 more 1985-06-11
4514657 Spark plug having dual gaps for internal combustion engines Toru Yoshinaga 1985-04-30
4512307 Fuel quantity control apparatus of supercharged diesel engine with safety measures Hisasi Kawai, Takeshi Tanaka, Kenzi Iwamoto, Seiko Abe, Eiji Hashimoto 1985-04-23
4499878 Fuel injection system for an internal combustion engine Taro Tanaka, Yasuyuki Sakakibara 1985-02-19
4480619 Flow control device Yasuyuki Sakakibara, Toru Yoshinaga, Seiko Abe, Kazuhide Watanabe 1984-11-06
4471256 Piezoelectric actuator, and valve apparatus having actuator Yasuyuki Sakakibara, Eturo Yasuda 1984-09-11
4470392 Multi-gap spark ignition device for engine Toru Yoshinaga, Hisasi Kawai, Seiji Morino, Norihiko Nakamura 1984-09-11
4465050 Device for atomizing the fuel for an internal-combustion engine Michihiro Ohashi, Hisasi Kawai, Ken Nomura, Mitiaki Ujihashi, Minoru Iwata 1984-08-14
4462377 Exhaust gas recirculation device Takeshi Tanaka, Hisasi Kawai, Kiyonori Sekiguchi, Takaharu Idogaki 1984-07-31
4450825 EGR Control system for diesel engine Kiyonori Sekiguchi, Takeshi Tanaka, Hisasi Kawai 1984-05-29
4450823 Fuel evaporator for internal combustion engine Seiko Abe, Kazuhide Watanabe 1984-05-29
4446839 Method and apparatus for controlling exhaust gas recirculation in a diesel engine Kiyonori Sekiguchi, Takeshi Tanaka, Hisasi Kawai, Mitsumasa Yamada, Michio Kawagoe +1 more 1984-05-08
4445488 Exhaust gas recirculation control for diesel engine Takeshi Tanaka, Hisasi Kawai, Kiyonori Sekiguchi, Mitsumasa Yamada, Michio Kawagoe +1 more 1984-05-01
4433665 Device for controlling choke valve in carburetor for internal combustion engine Seiko Abe, Hisasi Kawai, Toshikazu Ina, Masayoshi Tokoro 1984-02-28
4421091 Ignition system for internal combustion engines Hisasi Kawai, Hiroshi Sada, Toru Yoshinaga 1983-12-20
4411242 Method and apparatus for controlling EGR in internal combustion engine Takeshi Tanaka, Kiyonori Sekiguchi, Hiromichi Yanagihara 1983-10-25
4408592 Ignition system for internal combustion engines Toru Yoshinaga, Kouichi Mori, Hisasi Kawai, Seiji Morino 1983-10-11
4406273 Ignition system for internal combustion engine Toru Yoshinaga, Kouichi Mori, Hisasi Kawai, Seiji Morino 1983-09-27
4390000 Air-fuel mixture heating device for internal combustion engine Ken Nomura, Seiko Abe, Yasuhiko Ishida 1983-06-28
4368380 Flexible ceramic PTC electric heater assembly Ken Nomura, Seiko Abe 1983-01-11