Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834365 | Optical fiber preform production method, optical fiber preform, and optical fiber production method | Yoshimichi Amma, Katsuhiro Takenaga | 2023-12-05 |
| 10743445 | Electronic circuit component pick-up instruction data generating device | Kenji Sasaki | 2020-08-11 |