Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7392798 | Multiple-spark ignition system for internal combustion engine | Jyunichi Wada | 2008-07-01 |
| 5598574 | Vector processing device | Naoki Shinjo | 1997-01-28 |
| 5574924 | Vector processing device that utilizes post marks to ensure serialization of access requests of vector store instructions | Takashi Mochiyama | 1996-11-12 |
| 5239972 | Gas/liquid separation device | Masaki Takeyama, Toshihiko Igashira, Masahiro Takigawa | 1993-08-31 |
| 4793314 | Fuel injection pump for an internal combustion engine | Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe, Yukihiro Natsuyama | 1988-12-27 |
| 4784102 | Fuel injector and fuel injection system | Toshihiko Igashira, Yasuyuki Sakakibara, Kazuhide Watanabe, Masahiro Takigawa, Yukihiro Natsuyama +1 more | 1988-11-15 |
| 4649887 | Pump for supplying pressurized fuel to fuel injector of internal combustion engine | Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe | 1987-03-17 |
| 4621599 | Method and apparatus for operating direct injection type internal combustion engine | Toshihiko Igashira, Yasuyuki Sakakibara, Yasuhiro Takeuchi | 1986-11-11 |
| 4610427 | Piezoelectric control valve for fuel injector of internal combustion engine | Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe, Yukihiro Natsuyama | 1986-09-09 |
| 4603671 | Fuel injector for an internal combustion engine | Toshihiko Igashira, Yasuyuki Sakakibara, Yukihiro Natsuyama | 1986-08-05 |
| 4590908 | Fuel amount control system in an internal combustion engine | Yasuyuki Sakakibara, Seiko Abe, Kazuhide Watanabe, Yukihiro Natsuyama | 1986-05-27 |
| 4579283 | Pressure responsive fuel injector actuated by pump | Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe, Kazuhide Watanabe | 1986-04-01 |
| 4550744 | Piezoelectric hydraulic control valve | Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe, Kazuhide Watanabe | 1985-11-05 |
| 4535735 | Multi-gap spark ignition system | Toshihiko Igashira, Hisasi Kawai, Seiji Morino, Norihiko Nakamura | 1985-08-20 |
| 4529164 | Piezo-type valve | Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe, Kazuhide Watanabe | 1985-07-16 |
| 4514657 | Spark plug having dual gaps for internal combustion engines | Toshihiko Igashira | 1985-04-30 |
| 4480619 | Flow control device | Toshihiko Igashira, Yasuyuki Sakakibara, Seiko Abe, Kazuhide Watanabe | 1984-11-06 |
| 4470392 | Multi-gap spark ignition device for engine | Toshihiko Igashira, Hisasi Kawai, Seiji Morino, Norihiko Nakamura | 1984-09-11 |
| 4421091 | Ignition system for internal combustion engines | Hisasi Kawai, Hiroshi Sada, Toshihiko Igashira | 1983-12-20 |
| 4408592 | Ignition system for internal combustion engines | Toshihiko Igashira, Kouichi Mori, Hisasi Kawai, Seiji Morino | 1983-10-11 |
| 4406273 | Ignition system for internal combustion engine | Toshihiko Igashira, Kouichi Mori, Hisasi Kawai, Seiji Morino | 1983-09-27 |
| 4350137 | Ignition system for internal combustion engines | Toshihiko Igashira, Kouichi Mori, Hisasi Kawai, Seiji Morino | 1982-09-21 |