Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303207 | Chain saw | — | 1989-09-05 |
| D302931 | Chain saw | Kiyoshi Anbo | 1989-08-22 |
| 4850105 | Method of taking out lead of semiconductor tip part | Katsuhiko Tomita | 1989-07-25 |
| 4802555 | Oil supply system | Takao Matsunaga, Masaki Kobayashi | 1989-02-07 |