Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109763 | Emergency flashlight | Masuo Ohta | 2000-08-29 |
| 5864895 | Handy body washer | Masuo Ota, Miho Shirakawa, Shigehiko Fujita, Katsumi Nishimura, Yoshitaka Ezoe +1 more | 1999-02-02 |