Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9597255 | Gum massaging tool | Tatsuhiko Oki, Narisato Kanamura, Toshiro Yamamoto, Ken-ichi Honjo | 2017-03-21 |
| 4964587 | Coiler | Fumio Fukushima, Katsusuke Kawanami | 1990-10-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9597255 | Gum massaging tool | Tatsuhiko Oki, Narisato Kanamura, Toshiro Yamamoto, Ken-ichi Honjo | 2017-03-21 |
| 4964587 | Coiler | Fumio Fukushima, Katsusuke Kawanami | 1990-10-23 |