Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737977 | Fire detector unit | Takayuki Nishikawa, Koji Sakamoto, Takeshi Wada, Yasuyuki Kawano, Kenji Toyoda +2 more | 2004-05-18 |
| 6611611 | Particle sensor | Masanori Hayashi, Shinji Kirihata, Takayuki Nishikawa, Koji Sakamoto, Takeshi Wada | 2003-08-26 |
| 6597288 | Fire alarm system | Masayuki Amano, Takayuki Nishikawa, Takeshi Wada, Junichi Watanabe | 2003-07-22 |
| 6552664 | Method of fabricating a fire detector | Takayuki Nishikawa, Shinji Kirihata, Takeshi Wada, Yasuyuki Kawano, Koji Sakamoto | 2003-04-22 |