Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408349 | Optical frequency division multiplexing transmission system | Shinya Sasaki, Katsuhiko Kuboki | 1995-04-18 |
| 5396361 | Frequency separation stabilization method for optical heterodyne or optical homodyne communication | Shinya Sasaki, Minoru Maeda | 1995-03-07 |
| 5323258 | Homodyne optical receiver equipment | Ryoji Takeyari, Shinya Sasaki, Shigeki Kitajima, Katsuhiko Kuboki | 1994-06-21 |
| 5305134 | Optical frequency division multiplexing transmitter and optical frequency division multiplexing transmission apparatus | Shinya Sasaki, Shigeki Kitajima, Kiichi Yamashita | 1994-04-19 |
| 5274490 | Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver | Shinya Sasaki | 1993-12-28 |
| 5144467 | Optical tuning method and apparatus suitable for selective reception of optical frequency division multiplex signals | Shigeki Kitajima, Kiichi Yamashita, Shinya Sasaki | 1992-09-01 |
| 5142402 | Polarization diversity optical receiving apparatus and method | Shinya Sasaki, Ryoji Takeyari | 1992-08-25 |
| 5140453 | Optical receiving method utilizing polarization diversity and apparatus for carrying out the same | Katsuyuki Imoto, Hirohisa Sano, Akihiko Takase, Yoshitaka Takasaki, Minoru Maeda | 1992-08-18 |
| 5113524 | Quantum state control apparatus, optical receiver and optical communication system | Osamu Hirota, Shinya Sasaki, Yoshitaka Takasaki, Minoru Maeda | 1992-05-12 |
| 5023950 | Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver | Shinya Sasaki | 1991-06-11 |
| 4909584 | Optical multi/demultiplexer and optical module using the same | Katsuyuki Imoto, Hirohisa Sano | 1990-03-20 |