Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5301546 | Misfire detecting device for internal combustion engine | Akira Demizu, Akihiro Nakagawa | 1994-04-12 |
| 5257533 | Misfire detection device for an internal combustion engine | — | 1993-11-02 |
| 5237868 | Thermal flow sensor for compensating gradient of flow rate characteristics | — | 1993-08-24 |
| 5214958 | Misfiring detecting apparatus for an internal combustion device | Akira Demizu, Akihiro Nakagawa | 1993-06-01 |
| 5166081 | Method of producing a bipolar transistor | Kazuo Eda, Yorito Ota, Atsushi Nakagawa, Manabu Yanagihara | 1992-11-24 |
| 5148707 | Heat-sensitive flow sensor | Hichiro Ohtani | 1992-09-22 |
| 5147775 | Method of fabricating a high-frequency bipolar transistor | Yorito Ota, Manabu Yanagihara | 1992-09-15 |
| 5050428 | Apparatus for measuring air flow intake of internal combustion engine | Setsuhiro Shimomura, Toshiro Hara, Sakae Kiguchi | 1991-09-24 |
| 5037769 | Method of manufacturing semiconductor device | Kazuo Eda, Yorito Ota | 1991-08-06 |
| 5024083 | Terminal flow sensor | Hichiro Ohtani | 1991-06-18 |
| 4965650 | Bipolar transistor and method of producing the same | Kazuo Eda, Yorito Ota, Atsushi Nakagawa, Manabu Yanagihara | 1990-10-23 |
| 4916948 | Thermal flow sensor | Hichiro Ohtani, Tomoya Yamakawa | 1990-04-17 |
| 4912974 | Thermal flow sensor | Hichiro Ohtani, Tomoya Yamakawa | 1990-04-03 |
| 4907446 | Flow sensor incorporating a thermoresistor | Naruki Suetake, Hichiro Ohtani, Tomoya Yamakawa | 1990-03-13 |
| 4864855 | Hot wire type flow sensor | Hideo Shiraishi, Yoshinobu Kido, Kenji Ushijima, Hichiro Ohtani, Tomoya Yamakawa | 1989-09-12 |
| 4746626 | Method of manufacturing heterojunction bipolar transistors | Kazuo Eda, Yorito Ota | 1988-05-24 |
| 4400683 | Voltage-dependent resistor | Kazuo Eda, Michio Matsuoka | 1983-08-23 |