Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9404013 | Composite coating film | Yoshio Takahashi | 2016-08-02 |
| 5610592 | Fire detecting apparatus | — | 1997-03-11 |
| 4306229 | Smoke detector having an integral piezo-electric buzzer | Toru Tamura | 1981-12-15 |