Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748176 | Optical dropping apparatus and optical add/drop multiplexer | Shinya Inagaki, Keiko Takeda | 2004-06-08 |
| 6738182 | Optical fiber amplifier | Shinya Inagaki, Norifumi Shukunami, Manabu Watanabe, Hisashi Takamatsu, Keiko Sasaki +3 more | 2004-05-18 |
| 6266180 | Optical fiber amplifier using optical fiber having a portion which suppresses nonlinear optical phenomena | Shinya Inagaki, Keiko Takeda, Hiroshi Onaka | 2001-07-24 |
| 5218663 | Optical waveguide device and method for connecting optical waveguide and optical fiber using the optical waveguide device | Hideki Isono, Eiji Kikuchi | 1993-06-08 |
| 5200612 | Photodetector carrier for improving the high speed of a photodetector and method for producing same | Akira Okamoto | 1993-04-06 |
| 5074682 | Semiconductor laser module and positioning method thereof | Saburo Uno, Takayuki Masuko, Masayuki Siga | 1991-12-24 |
| 5065011 | Photodetector module for coupling with optical fiber | Makoto Fujihara, Nobuyoshi Horigome, Akira Okamoto, Kenji Tagawa, Gan Oda | 1991-11-12 |
| 5033052 | Optical semiconductor device and production method thereof | Takayuki Masuko, Hiroki Okushima | 1991-07-16 |
| 5023447 | Photo-semiconductor module employing semi-spherical lens to enhance detection | Takayuki Masuko, Akira Okamoto, Koji Okamura, Tadao Arima | 1991-06-11 |
| 4839993 | Polishing machine for ferrule of optical fiber connector | Takayuki Masuko, Norio Suzuki | 1989-06-20 |
| 4832435 | Positioning mechanism of optical fiber connector | Norio Suzuki, Takayuki Masuko | 1989-05-23 |