Issued Patents All Time
Showing 126–135 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4510606 | Silent discharge type pulse laser device | Shigenori Yagi, Masaki Kuzumoto, Shuji Ogawa | 1985-04-09 |
| 4488309 | Gas laser apparatus | Yukio Sato, Masao Hishii, Haruhiko Nagai | 1984-12-11 |
| 4453953 | Intermittent ozone feeding apparatus | Shiro Yamauchi, Shigeki Nakayama | 1984-06-12 |
| 4450824 | Exhaust gas recirculation control system with atmospheric pressure compensation valve | Ken Ando, Michio Kawagoe | 1984-05-29 |
| 4446839 | Method and apparatus for controlling exhaust gas recirculation in a diesel engine | Kiyonori Sekiguchi, Toshihiko Igashira, Takeshi Tanaka, Hisasi Kawai, Mitsumasa Yamada +1 more | 1984-05-08 |
| 4445488 | Exhaust gas recirculation control for diesel engine | Takeshi Tanaka, Hisasi Kawai, Toshihiko Igashira, Kiyonori Sekiguchi, Mitsumasa Yamada +1 more | 1984-05-01 |
| 4440140 | Diesel engine exhaust gas recirculation control system | Michio Kawagoe | 1984-04-03 |
| 4430306 | Oxygen recycle type ozonizing apparatus | Keisuke Namba, Takanori Ueno, Norikazu Tabata | 1984-02-07 |
| 4232229 | Ozonizer | Takanori Ueno, Norikazu Tabata | 1980-11-04 |
| 4224912 | Exhaust gas recirculation system with an auxiliary valve | — | 1980-09-30 |