Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843592 | Microcomputer controlled apparatus provided with a battery voltage detection circuit | Tomio Sugimura | 1989-06-27 |
| 4563313 | Humidifier | — | 1986-01-07 |
| 4546916 | Humidifier | — | 1985-10-15 |