Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7263104 | Concentrator and reset control method therefor | — | 2007-08-28 |
| 5666454 | Preform for optical fiber and method of producing optical fiber | Jun Terada, Mituhiro Kawasaki, Tadashi Takahashi | 1997-09-09 |