Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331890 | Touch switch | Yoshimitsu Makino | 1982-05-25 |
| 4323833 | Sewing machine drive motor control system | Kazuo Watanabe, Hachiro Makabe, Michio Hisatake, Kazuji Yamamoto | 1982-04-06 |