Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7601763 | Diaphragm for speaker and manufacturing method thereof | Satoshi Hachiya, Koji Matsumoto | 2009-10-13 |
| 5830095 | Sprocket and manufacturing method thereof | Norihiko Takamori, Fumihiko Metsugi, Akihito Ohata, Akihito Yoshiie | 1998-11-03 |
| 4584010 | Method for controlling weeds in paddy rice | Takeshi Yuyama | 1986-04-22 |