Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6915104 | Education system suitable for group learning | Yasufumi Yonezu, Shuichi Ito | 2005-07-05 |
| 6188049 | Apparatus and method for controlling heater of air-fuel ratio sensor in internal combustion engine | — | 2001-02-13 |
| 6035839 | Method and apparatus for controlling the air-fuel ratio of an internal combustion engine | Seiichi Ohtani, Mitsuru Miyata | 2000-03-14 |
| 5483940 | Apparatus and a method for controlling fuel supply to engine | Toshio Namba, Junichi Furuya | 1996-01-16 |
| 5285639 | Method and system for controlling secondary air for internal combustion engine | Akihiko Araki, Toshio Namba | 1994-02-15 |
| 4911132 | Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand | Shinpei Nakaniwa, Seiichi Otani, Toru Hamada, Yukio Hoshino, Naoki Tomisawa | 1990-03-27 |
| 4889100 | Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand | Shinpei Nakaniwa, Seiichi Otani, Toru Hamada, Yukio Hoshino, Naoki Tomisawa | 1989-12-26 |