Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7063056 | Valve timing control apparatus for engine | Hideo Nakai, Katsuhiko Miyamoto, Katsuyuki Maeda, Seiji Shiota | 2006-06-20 |
| 7063068 | Variable valve timing controller for an engine | Hideo Nakai, Katsuhiko Miyamoto, Katsuyuki Maeda, Seiji Shiota | 2006-06-20 |
| 6971379 | Combustion chamber structure in an internal combustion engine | Tomoharu Sakai, Takeshi Hasegawa, Takafumi Shigemori, Toshiaki Umemura, Katsuhiko Miyamoto +3 more | 2005-12-06 |
| 6257207 | Startup control apparatus of internal combustion engine and startup control method | Toshio Inui, Katsuhiko Miyamoto | 2001-07-10 |