Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520253 | Two-stroke internal combustion engine | Kentaro Matsuo, Takahiro Yamazaki, Shigeru Sato | 2009-04-21 |
| 6513465 | Two-stroke internal combustion engine | Takashi Fukuoka, Shiro Yamaguchi | 2003-02-04 |
| 6223705 | Two-stroke internal combustion engine | Shigeru Sato, Masakuni Hiroshima, Kentaro Matsuo | 2001-05-01 |
| 6142113 | Two-cycle internal combustion engine and cylinder | Shigeru Taniguchi, Masami Uchida, Shiro Yamaguchi, Masayoshi Miyamoto | 2000-11-07 |
| 4934345 | Two-cycle internal combustion engine | Takashi Fukuoka, Masakuni Hiroshima | 1990-06-19 |