Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5872425 | Plasma display device and method for driving the same | Taichi Shino, Kazunori Hirao | 1999-02-16 |
| 5859706 | Photoelectric smoke detector and disaster monitoring system using the photoelectric smoke detector | Tetsuya Nagashima, Yoshiki Ohmori | 1999-01-12 |
| 5619184 | System for monitoring disaster prevention | Yasuo Torikoshi | 1997-04-08 |
| 5497009 | Photoelectric smoke sensor and fire detecting system, and sensitivity testing method therefor | Yasuo Torikoshi, Tetsuya Nagashima | 1996-03-05 |
| 5302837 | Photoelectric smoke detector with expanded visual field | Hiroshi Sawa, Hironobu Kawai | 1994-04-12 |
| 5271026 | Discharge excitation gas laser device | Yasuhiro Shimada, Hidehito Kawahara, Tadaaki Miki, Mutsumi Mimasu | 1993-12-14 |
| 5250480 | Method for preparing zircon powder | Hirokuni Hoshino, Toshiyuki Mori, Hiroshi Yamamura | 1993-10-05 |