Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D435800 | Fire detector | Misaki Kishimoto | 2001-01-02 |
| 5399864 | Ionization type smoke detector | Yoshinori Igarashi, Toru Sasaki, Ichirou Kobayashi, Ikuhisa Hatakenaka, Nobuo Hatori +2 more | 1995-03-21 |
| D339756 | Smoke detector | Yoshinori Igarashi, Toru Sasaki, Yasuo Ariga, Ichirou Kobayashi | 1993-09-28 |