Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011336 | Variable valve opening property internal combustion engine | Mitsuru Sugimoto, Kiminori Komura, Takeo Kobayashi, Hirokazu Tochiki | 2011-09-06 |
| 7779797 | Engine valve operating system | Mitsuru Sugimoto, Chihaya Sugimoto, Hirokazu Tochiki | 2010-08-24 |
| 7669564 | Variable valve lift internal combustion engine | Hirokazu Tochiki, Mitsuru Sugimoto, Kiminori Komura | 2010-03-02 |