Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786782 | Electric instantaneous water heater with enhanced temperature control | Mitsuo Takai, Takashi Tanahashi, Yasukiyo Ueda | 1988-11-22 |
| 4559651 | Hot-water washing apparatus for personal hygiene | Takashi Tanahashi, Mitsuo Takai | 1985-12-24 |