Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745730 | Odd-cylinder v-type internal combustion engine | — | 2004-06-08 |
| 6679345 | Fuel battery mounted motorcycle | Shuuji Hirayama, Mitsuru Iseno, Masayuki Toriyama, Masashi Igarashi | 2004-01-20 |