Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611611 | Particle sensor | Shoichi Oka, Masanori Hayashi, Takayuki Nishikawa, Koji Sakamoto, Takeshi Wada | 2003-08-26 |
| 6552664 | Method of fabricating a fire detector | Takayuki Nishikawa, Takeshi Wada, Yasuyuki Kawano, Shoichi Oka, Koji Sakamoto | 2003-04-22 |