Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8381001 | Command processing apparatus which executes a process according to a command issued by an external device | Masaaki Sugimori, Masashi Hatano | 2013-02-19 |
| 7376300 | Variable optical dispersion compensating module | Nobutaka Fuke, Jun Ishiguro, Hiroshi Raijo, Atsushi Umeda | 2008-05-20 |
| 6631235 | Planar lightwave circuit platform and method for manufacturing the same | Hiroshi Kawashima, Kazutaka Nara, Kazunori Watanabe | 2003-10-07 |
| 6480642 | Hybrid optical waveguide circuit chip, and method for predicting the characteristics thereof | Hiroshi Kawashima, Hiroyuki Koshi, Isao Ohyama | 2002-11-12 |
| 6418249 | Optical multiplexer/demultiplexer | Takeshi Nakajima, Kanji Tanaka | 2002-07-09 |
| 6404946 | Arrayed waveguide grating type optical multiplexer/demultiplexer | Takeshi Nakajima, Kanji Tanaka, Toshihiko Ohta | 2002-06-11 |
| 5649037 | Optical waveguide component and a light signal processing method using the same | Isao Ohyama, Takeo Shimizu, Hisaharu Yanagawa, Hideyuki Iwata | 1997-07-15 |
| 5583958 | Composite optical device | Hisaharu Yanagawa, Takeo Shimizu, Shinichi Furukawa | 1996-12-10 |
| 5548675 | Multifiber connector, a method of manufacturing the same, and a construction for connecting the multifiber connector to an optical device | Takashi Shigematsu, Hisaharu Yanagawa, Takeo Shimizu, Kazuya Fukasawa, Tomohiro Watanabe | 1996-08-20 |
| 5529595 | Method of positioning elements of an optical integrated circuit | Ken Ueki, Takeo Shimizu, Isao Ohyama, Hisaharu Yanagawa | 1996-06-25 |
| 5414786 | Optical waveguide component with a molded resin portion having accurately aligned guide pin holes therein | Toshihiko Ohta, Takashi Shigematsu, Takeo Shimizu | 1995-05-09 |
| 5396569 | Optical line monitoring method and an apparatus permitting simultaneous line monitoring and information communication | Hisaharu Yanagawa, Takeo Shimizu, Isao Ohyama, Izumi Sankawa | 1995-03-07 |
| 5297228 | Method of connecting an optical fiber to an optical waveguide | Hisaharu Yanagawa, Takeo Shimizu, Ken Ueki | 1994-03-22 |
| 5214725 | Optical coupler/splitter with a filter | Hisaharu Yanagawa, Takeo Shimizu, Isao Ohyama | 1993-05-25 |
| 5179604 | Waveguide-type coupler/splitter | Hisaharu Yanagawa, Takeo Shimizu, Isao Oyama | 1993-01-12 |
| 4785871 | Manufacturing method for hollow cast product with bottom | Katsuya Inoue, Friedrich Werner, Franz Schilling | 1988-11-22 |
| 4751470 | Charged particle accelerating apparatus | Kazunori Ikegami, Tadatoshi Yamada, Shunji Yamamoto, Tetsuya Matsuda, Tokio Fukunaga | 1988-06-14 |
| 4737727 | Charged beam apparatus | Tadatoshi Yamada, Takafumi Nakagawa, Yuuichi Yamamoto | 1988-04-12 |
| 4737726 | Charged particle beam storage and circulation apparatus | Koju Ueda, Manabu Mizota, Shintaro Fukumoto, Takebumi Narikawa | 1988-04-12 |
| 4729419 | Mold and manufacturing method for hollow cast product with bottom | Katsuya Inoue, Friedrich Werner, Franz Schilling | 1988-03-08 |
| 4656000 | Nuclear reactor | Mikio Sakurai, Takao Igarashi, Koki Yamauchi | 1987-04-07 |
| 4532445 | Rotor of superconductive generator | Masatami Iwamoto, Masayuki Miyazaki, Sumio Yoshioka | 1985-07-30 |
| 4439701 | Rotor of a superconductive rotary electric machine | Kouichi Okamoto, Masaki Sakuyama, Tadatoshi Yamada | 1984-03-27 |
| 4433032 | High chrome work roll | Yoshihiro Nakagawa, Takashi Hashimoto | 1984-02-21 |
| 4430589 | Rotor of a superconductive rotary electric machine | Masaki Sakuyama, Norio Oishi, Kouichi Okamoto, Masatami Iwamoto, Tatsuei Nomura | 1984-02-07 |