Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5508842 | Optical amplifier | Keiko Takeda, Sinya Inagaki, Kazuya Sasaki, Kenji Tagawa | 1996-04-16 |
| 5136420 | Optical fiber amplifier | Shinya Inagaki, Masayoshi Shigihara, Kazuya Sasaki, Keiko Takeda | 1992-08-04 |
| 5087110 | Optical fiber cable and manufacture of optical fiber cable | Shinya Inagaki, Kazuya Sasaki | 1992-02-11 |
| 5077815 | Apparatus for optically connecting a single-mode optical fiber to a multi-mode optical fiber | Akihiko Ichikawa, Etsugo Yoneda, Shinya Inagaki, Kazuya Sasaki, Keiko Takeda | 1991-12-31 |
| 5007698 | Optical fiber amplifier/multiplexer | Kazuya Sasaki, Shinya Inagaki, Keiko Takeda | 1991-04-16 |