Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10173330 | Robot arm | Kazunori Yamamoto, Tsuyoshi Ito | 2019-01-08 |
| 5156860 | Apparatus for manufacturing an optical disk substrate by injection molding | Yasumasa Shibata, Toshiki Shojima | 1992-10-20 |
| 5059461 | Optical disk substrate, optical information-storage medium, and process and apparatus for manufacturing the optical disk substrate | Yasumasa Shibata, Toshiki Shojima | 1991-10-22 |