Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9370829 | Bit exchangeable drill | Masahiro Yoshida, Yoshiharu Kaimori, Yuzuru Ono | 2016-06-21 |
| 4923352 | System for manufacturing semiconductor under clean condition | Shosuke Shinoda, Tetsuo Yamashita, Kyohiko Okashita | 1990-05-08 |