Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6201923 | Optical fiber gyroscope | Hirokazu Soekawa, Toshiyuki Tetsu, Wataru Ohnuki, Shuhei Toyoda, Takenori Ichigi | 2001-03-13 |
| 5724462 | Integrated optical semiconductor device and optical gyroscope usinng the same | Tatemi Ido, Shigehisa Tanaka, Ryoji Suzuki | 1998-03-03 |
| 5677973 | Method of aligning optical fiber to optical fiber or optical fiber to optical element at junction and optical fiber array | Hisao Iitsuka, Hiroshi Kajioka, Mamoru Ichimura, Tomohiro Murakami | 1997-10-14 |
| 5671316 | Connecting structure of optical fiber to optical waveguide | Hisao Iitsuka, Kazuyuki Fukuda, Makoto Shimaoka, Tetsuo Kumazawa | 1997-09-23 |