Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D332143 | Electric massager | Etsushi Muramatsu, Kuniharu Ichikawa | 1992-12-29 |
| D327829 | Portable electric drill | — | 1992-07-14 |
| D320918 | Portable electric hammer drill | — | 1991-10-22 |
| D301617 | Electric massager | Kazuyoshi Yonesawa, Kuniharu Ichikawa | 1989-06-13 |
| D296072 | Cordless electric drill | — | 1988-06-07 |