Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320659 | Method of forming a carbon coated optical fiber with co-current reactant flow | Yoichi Ishiguro, Kohei Kobayashi, Gotaro Tanaka, Minoru Watanabe | 1994-06-14 |
| 5235666 | Production of a hermetically coated optical fiber | Yoichi Ishiguro, Gotaro Tanaka, Nobuyuki Yoshizawa | 1993-08-10 |
| 5157755 | Hermetically coated optical fiber | Yoichi Ishiguro, Gotaro Tanaka, Nobuyuki Yoshizawa | 1992-10-20 |
| 5125066 | Fiber optical amplifier | Yoichi Ishiguro, Takashi Kogo, Yutaka Katsuyama | 1992-06-23 |
| 5035484 | Method and apparatus for producing coated optical fiber | Yoichi Ishiguro, Kohei Kobayashi, Gotaro Tanaka, Minoru Watanabe | 1991-07-30 |
| 5018824 | Process for fusion-splicing hermetically coated optical fibers | Yoichi Ishiguro, Gotaro Tanaka | 1991-05-28 |