Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859408 | Optical fiber sensor and optical fiber sensor system | — | 2020-12-08 |
| 7254345 | Receiver and receiving method capable of detecting an eye aperture size formed by reception data signals | Takashi Kuriyama, Yoshihiro Matsumoto | 2007-08-07 |
| 6775275 | Matrix switch method and device | — | 2004-08-10 |
| 5892469 | Time division multiplexing transmitter and decoding circuit used for said transmitter and method for time division multiplexing transmission | Hajime Ishikawa | 1999-04-06 |
| 5757800 | Time division multiplexing transmitter and decoding circuit used for said transmitter and method for time division multiplexing transmission | Hajime Ishikawa | 1998-05-26 |
| 5757807 | Method of and apparatus for extracting or inserting a signal in a time division multiplex communication system | Hiroshi Tezuka | 1998-05-26 |
| 5712933 | Waveguide-type optical device | Hiroshi Nishimoto | 1998-01-27 |
| 5610911 | Method and device for channel selection | Hajime Ishikawa | 1997-03-11 |
| 5325225 | Method of optical transmission and optical transmitter used in the same | Naoya Henmi | 1994-06-28 |
| 5184243 | Optical transmitting apparatus for minimal dispersion along an optical fiber | Naoya Henmi, Tomoki Saito | 1993-02-02 |