Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748176 | Optical dropping apparatus and optical add/drop multiplexer | Shinya Inagaki, Kaoru Moriya | 2004-06-08 |
| 6678460 | Magnetic reproducer and magnetic reproduction method | Isao Kogure, Yasutaka Kotani, Kazuyuki Iesaka, Masanori Kimura, Hisao Osabe | 2004-01-13 |
| 6408652 | Solution doping method of making an optical amplifying fiber | Koji Okamura | 2002-06-25 |
| 6266180 | Optical fiber amplifier using optical fiber having a portion which suppresses nonlinear optical phenomena | Shinya Inagaki, Kaoru Moriya, Hiroshi Onaka | 2001-07-24 |
| 6163398 | Dispersion compensating fiber and optical amplifier using same | Shinya Inagaki | 2000-12-19 |
| 6111586 | Electronic photo album editing apparatus | Hisayoshi Ikeda, Junko Shiraha, Akifumi Hirose, Matsudou Takahashi, Miyuki Hieda | 2000-08-29 |
| 5970198 | Optically amplifying fiber and optical fiber amplifier | Shinya Inagaki, Norifumi Shukunami, Koji Okamura | 1999-10-19 |
| 5930436 | Optical amplifying fiber and process of producing the same | Koji Okamura | 1999-07-27 |
| 5812113 | Picture forming device | Hisayoshi Ikeda, Kenji Ikenaga, Shigeharu Maeda, Nahoko Mase | 1998-09-22 |
| 5708826 | Apparatus and method for converting presentation data | Hisayoshi Ikeda, Eiji Kinoshita, Nahoko Mase | 1998-01-13 |
| 5508842 | Optical amplifier | Sakae Yoshizawa, Sinya Inagaki, Kazuya Sasaki, Kenji Tagawa | 1996-04-16 |
| 5467218 | Optical fiber amplifier | Shinya Inagaki, Kenji Tagawa, Kazuya Sasaki | 1995-11-14 |
| 5327282 | Optical amplifier for 1.3 .mu.m band | Shinya Inagaki, Kenji Tagawa | 1994-07-05 |
| 5276549 | Optical transmitter including rare earth-doped fiber | Kenji Tagawa, Shinya Inagaki, Osamu Oyama | 1994-01-04 |
| 5155621 | Optical fiber amplifier | Shinya Inagaki, Kenji Tagawa, Osamu Oyama | 1992-10-13 |
| 5140598 | Fiber optic amplifier | Kenji Tagawa, Shinya Inagaki | 1992-08-18 |
| 5136420 | Optical fiber amplifier | Shinya Inagaki, Masayoshi Shigihara, Sakae Yoshizawa, Kazuya Sasaki | 1992-08-04 |
| 5077815 | Apparatus for optically connecting a single-mode optical fiber to a multi-mode optical fiber | Sakae Yoshizawa, Akihiko Ichikawa, Etsugo Yoneda, Shinya Inagaki, Kazuya Sasaki | 1991-12-31 |
| 5007698 | Optical fiber amplifier/multiplexer | Kazuya Sasaki, Sakae Yoshizawa, Shinya Inagaki | 1991-04-16 |