Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221757 | Watertight structure for flap gate and flap gate comprising same | Tetsuo Onodera, Toshio Tsuchiya | 2025-02-11 |
| 5506712 | Photonic frequency routing type time division highway switch | Kenichi Yukimatsu, Keishi Habara, Wende Zhong, Masato Tsukada | 1996-04-09 |
| 5493434 | Photonic frequency division multiplexed FIFO buffer | Keishi Habara | 1996-02-20 |
| 5486943 | Photonic frequency division multiplexed FIFO buffer | Keishi Habara | 1996-01-23 |
| 5287316 | Optical FIFO buffer | Shigeo Urushidani, Jun Nishikido | 1994-02-15 |