Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10845541 | Cladding mode light removal structure and laser apparatus | Ryokichi Matsumoto | 2020-11-24 |
| 10466417 | Optical fiber fusion splice structure and method of manufacturing laser apparatus | Ryokichi Matsumoto | 2019-11-05 |
| 4915894 | Aromatic polyimide film and process for the preparation of the same | Kazuhiko Mitsui, Toshiyuki Nishino | 1990-04-10 |
| 4725484 | Dimensionally stable polyimide film and process for preparation thereof | Kiyoshi Kumagawa, Toshiyuki Nishino, Yuji Matsui | 1988-02-16 |