Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6161586 | Tournament oil path constituting apparatus | Toichi Hirata, Genroku Sugiyama, Tsukasa Toyooka, Norio Onuma, Ikuo Inagaki | 2000-12-19 |
| 6158462 | Hydraulic pressure control device | Masayuki Nakamura | 2000-12-12 |