Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5888527 | Gargling cup, antiviral mask, antiviral filter, antifungal, antibacterial, and antiviral filter air cleaner and air-cleaner humidifier | Yoshikazu Tashiro | 1999-03-30 |
| 5747053 | Antiviral filter air cleaner impregnated with tea extract | Yoshikazu Tashiro, Yoshiomi Kosaka, Yukihiko Hara | 1998-05-05 |