Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |