Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414012 | Fabrication methods of doped silica glass and optical fiber preform by using the doped silica glass | Hiroyuki Suda, Fumiaki Hanawa, Motohiro Nakahara, Nobuo Inagaki | 1983-11-08 |
| 4406684 | Core torch for fabricating single-mode optical fiber preforms | Masao Kawachi, Satoru Tomaru, Takao Edahiro | 1983-09-27 |
| 4367085 | Method of fabricating multi-mode optical fiber preforms | Fumiaki Hanawa, Masao Kawachi, Takao Edahiro, Motohiro Nakahara | 1983-01-04 |
| 4345928 | Fabrication method of single-mode optical fiber preforms | Masao Kawachi, Satoru Tomaru, Takao Edahiro | 1982-08-24 |