Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642715 | Distributor type fuel injection pump | Toru Yamakawa, Ken'ichi Kubo, Jun Matsubara | 1997-07-01 |
| 5617830 | Prestroke controller for engine fuel injection pump | Tohru Yokota, Mitsuaki Kobayashi, Tsutomu Katori, Teruo Ohsawa | 1997-04-08 |
| 5592915 | Pilot injection controller in fuel injection system and method of controlling pilot injection quantity | Takashi Ohishi, Nobuhiro Kitahara | 1997-01-14 |
| 5566921 | Solenoid valve | Toru Yokota | 1996-10-22 |
| 5482016 | Pilot injection control system | Takashi Ohishi, Nobuhiro Kitahara | 1996-01-09 |
| 5460132 | Fuel injection pump and prestroke controller therefor | Tohru Yokota, Mitsuaki Kobayashi | 1995-10-24 |
| 5443047 | Fuel injection system | Takashi Ohishi, Atsushi Ueda, Naotake Ohi | 1995-08-22 |
| 5357933 | Fuel injection device | Toshiaki Kasahara | 1994-10-25 |
| 5080564 | Prestroke control device for fuel injection pumps | Toshiaki Kasahara, Kenichi Kubo, Toru Yokota, Susumu Yamaguchi | 1992-01-14 |
| 4953959 | Objective lens for optical disks | Tetsuo Ikegame, Ichiro Ikari | 1990-09-04 |
| 4902113 | Objective lens and imaging optical system for optical information recording and readout device | — | 1990-02-20 |
| 4737086 | Fuel injection pump having variable prestroke mechanism | Susumu Yamaguchi, Noriyuki Abe, Hiroshi Tai, Hisashi Nakamura | 1988-04-12 |
| 4730586 | Fuel injection apparatus for internal combustion engines | Susumu Yamaguchi | 1988-03-15 |