Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7998374 | Fabrication method of self-written optical waveguide | Masatoshi Yonemura, Akari Nakao | 2011-08-16 |
| 7907808 | Optical waveguide and method for manufacturing the same | Tatsuya Yamashita, Masatoshi Yonemura, Naomichi Okamoto, Masahiro Tomiki | 2011-03-15 |
| 7399498 | Material composition for producing optical waveguide and method for producing optical waveguide | Yukitoshi Inui, Kuniyoshi Kondo, Tatsuya Yamashita, Akari Kawasaki, Hiroshi Ito +2 more | 2008-07-15 |
| 7166322 | Optical waveguide and method for producing the same | Yukitoshi Inui, Akari Kawasaki, Tatsuya Yamashita, Masatoshi Yonemura | 2007-01-23 |
| 6932880 | Method of manufacturing optical waveguide device | Yukitoshi Inui, Kuniyoshi Kondo, Tatsuya Yamashita, Akari Kawasaki, Hiroshi Ito | 2005-08-23 |
| 6925233 | Optical waveguide device manufacturing jig, method of manufacturing optical waveguide device by use of the same jig, and the same optical waveguide device | Yukitoshi Inui, Kuniyoshi Kondo, Tatsuya Yamashita, Akari Kawasaki, Hiroshi Ito | 2005-08-02 |
| 6890589 | Self-formable optical waveguide material composition | Yukitoshi Inui, Kuniyoshi Kondo, Tatsuya Yamashita, Akari Kawasaki, Hiroshi Ito +2 more | 2005-05-10 |
| 6823116 | Optical waveguide device manufacturing jig, method of manufacturing optical waveguide device by use of the same jig, and the same optical waveguide device | Yukitoshi Inui, Kuniyoshi Kondo, Tatsuya Yamashita, Akari Kawasaki, Hiroshi Ito | 2004-11-23 |
| 6703188 | Method of fabricating optical waveguide structure | Tatsuya Yamashita, Hiroshi Ito, Yasuhiko Takeda | 2004-03-09 |
| 6081639 | Optical branching devices | Kazuo Hasegawa, Hiroshi Ito | 2000-06-27 |
| 5587785 | Laser doppler velocimeter | Satoru Kato, Hiroshi Ito, Tadashi Ichikawa | 1996-12-24 |
| 5113476 | Light attenuator and process for fabrication thereof | Hiroshi Okada, Shingo Suzuki, Chiaki Suematsu | 1992-05-12 |
| 4966432 | Optical coupler and process for preparation thereof | Hiroshi Okada, Masatoshi Toda, Shingo Suzuki, Masayoshi Komiya | 1990-10-30 |
| 4925514 | Light attenuator and process for fabrication thereof | Hiroshi Okada, Shingo Suzuki, Chiaki Suematsu | 1990-05-15 |
| 4911514 | Optical coupler and process for preparation thereof | Hiroshi Okada, Masatoshi Toda, Shingo Suzuki, Masayoshi Komiya | 1990-03-27 |