Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6976580 | Golf bag with a stable base | Satoshi Yoshida, Toshiya Horioka, Hidenobu Kuba | 2005-12-20 |
| 6425836 | Baseball or softball bat | Kazunori Misono, Toshiaki Kida, Kazuya Ishida | 2002-07-30 |
| 4773224 | Portless type master cylinder device with non return valve and restricted passage in parallel between pressure chamber and fluid reservoir | Shigeru Sakamoto, Kenji Shirai, Haruo Sugimoto | 1988-09-27 |