Issued Patents All Time
Showing 76–100 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5960146 | Optical fiber and light source apparatus | Toshiaki Okuno, Masashi Onishi, Satoki Kawanishi, Hidehiko Takara, Kunihiko Mori | 1999-09-28 |
| 5904605 | Cooling apparatus for outboard motor | Naoki Kawasaki | 1999-05-18 |
| 5883990 | Low transmission loss optical fiber having a grating | Eisuke Sasaoka, Masumi Ito | 1999-03-16 |
| 5852701 | Dispersion-shifted fiber | Takatoshi Kato, Yoshiyuki Suetsugu | 1998-12-22 |
| 5838867 | Dispersion compensating fiber and optical transmission system including the same | Masashi Onishi, Hiroo Kanamori, Tomonori Kashiwada, Yasushi Koyano | 1998-11-17 |
| 5788898 | Process of making polypropylene heat shrinkable film | Kiyoshi Sogabe, Hiroyuki Tanaka, Shinji Arai | 1998-08-04 |
| 5752141 | Rotating type developing apparatus | YUUSAKU HASHIMOTO, Takeshi Okoshi, Yoshifumi Ozaki, Katsumi Harumoto, Hideo Nagura +4 more | 1998-05-12 |
| 5721800 | Dispersion-shifted fiber | Takatoshi Kato, Yoshiyuki Suetsugu | 1998-02-24 |
| 5721635 | Optical fiber amplifier and optical amplifier repeater | Masayuki Shigematsu, Koji Nakazato, Tomonori Kashiwada | 1998-02-24 |
| 5702784 | Polypropylene heat shrinkable film | Kiyoshi Sogabe, Hiroyuki Tanaka, Shinji Arai | 1997-12-30 |
| 5694239 | Optical phase conjugator, optical transmission system using the same, and optical phase conjugation method | Masayuki Shigematsu | 1997-12-02 |
| 5680491 | Optical fiber dispersion compensation device for optical communication system | Masayuki Shigematsu, Tomonori Kashiwada | 1997-10-21 |
| 5661826 | Transmission line switching apparatus | Kazuhito Saito, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri, Masao Tachikura | 1997-08-26 |
| 5640269 | Optical fiber amplifier and optical amplifier repeater | Masayuki Shigematsu, Koji Nakazato, Tomonori Kashiwada | 1997-06-17 |
| 5613021 | Optical fiber switching device having one of a robot mechanism and an optical fiber length adjustment unit | Kazuhito Saito, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri, Masao Tachikura | 1997-03-18 |
| 5581644 | Transmission line switching apparatus | Kazuhito Saito, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri, Masao Tachikura | 1996-12-03 |
| 5572357 | Optical system for amplifying signal light | Koji Nakazato | 1996-11-05 |
| 5534737 | Composite motor | — | 1996-07-09 |
| 5532870 | Optical fiber amplifier and optical amplifier repeater | Masayuki Shigematsu, Koji Nakazato, Tomonori Kashiwada | 1996-07-02 |
| 5509098 | Optical transmission line and a method of forming thereof | Masayuki Shigematsu | 1996-04-16 |
| 5504825 | Optical fiber switching device and method | Kazuhito Saito, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri, Masao Tachikura | 1996-04-02 |
| 5446820 | Mode field diameter conversion optical fiber | Shinji Ishikawa, Hiroo Kanamori, Koji Nakazato, Yuichi Ohga | 1995-08-29 |
| 5430822 | Optical communication system including dispersion compensating optical fibers | Masayuki Shigematsu, Tomonori Kashiwada | 1995-07-04 |
| 5386485 | Optical fiber switching device having an optical fiber length adjustment unit and method for using the same | Kazuhito Saito, Tohru Yamanishi, Hideo Kobayashi, Toshiaki Katagiri, Masao Tachikura | 1995-01-31 |
| 5381503 | Mode field diameter conversion fiber | Hiroo Kanamori, Koji Nakazato, Shigeru Tomita | 1995-01-10 |