Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854582 | Head connecting device in golf clubs | — | 1989-08-08 |
| 4808484 | Peelable protective film | Kohzoh Miyazaki, Yoshitaka Oowatari, Yoshio Egami, Toshio Honma | 1989-02-28 |
| 4796961 | Multi-beam scanning optical system | Masao Ito | 1989-01-10 |