Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682278 | Disk chucking device | Hidenori Takahira, Tomohiro Teshima | 1997-10-28 |
| 5412229 | Semiconductor light detecting device making use of a photodiode chip | Yoshiki Kuhara, Hisato Michikoshi, Ichiro Tonai | 1995-05-02 |