Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6204944 | All-optical time-division demultiplexing circuit and all-optical TDM-WDM conversion circuit | Kentaro Uchiyama, Satoki Kawanishi | 2001-03-20 |
| 6023360 | Multiple-channel all-optical TDM-WDM converter and multiple-channel all-optical TDM demultiplexer | Toshio Morioka, Hidehiko Takara | 2000-02-08 |
| 5999548 | White optical pulse source and applications | Kunihiko Mori, Hidehiko Takara, Satoki Kawanishi | 1999-12-07 |
| 5923683 | Coherent white light source and optical devices therewith | Toshio Morioka, Kunihiko Mori | 1999-07-13 |
| 5724126 | Method for measuring distribution of zero dispersion wavelengths in an optical fiber and apparatus therefor | Shigendo Nishi, Katsumi Iwatsuki, Ken Suzuki | 1998-03-03 |
| 5706113 | Phase lock loop circuit using optical correlation detection | Satoki Kawanishi, Osamu Kamatani | 1998-01-06 |
| 5646774 | Mode-locked laser stabilizing method and apparatus | Hidehiko Takara, Satoki Kawanishi | 1997-07-08 |
| 5604618 | Optical parametric circuit and optical circuit using the same | Kunihiko Mori, Toshio Morioka | 1997-02-18 |
| 5590143 | Multiple-frequency-modulation type mode-locked laser device | Hidehiko Takara, Satoki Kawanishi | 1996-12-31 |
| 5574588 | Phase lock loop circuit using optical correlation detection | Satoki Kawanishi, Osamu Kamatani | 1996-11-12 |
| 5357359 | All-optical polarization independent optical time division multiplexer and demultiplexer with birefringence compensation | Kentaro Uchiyama, Toshio Morioka | 1994-10-18 |
| 5267256 | Wavelength division multiplex type mode - lock laser device | Satoki Kawanishi, Hidehiko Takara, John Schlager | 1993-11-30 |
| 5083874 | Optical repeater and optical network using the same | Kazuo Aida, Shigendo Nishi, Kiyoshi Nakagawa | 1992-01-28 |