Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4939551 | Cleaning device for electrophotographic copying machines | Atsushi Inoue, Yoshio Yamada | 1990-07-03 |
| 4823161 | Cleaning blade for electrophotographic copying machines or the like | Yoshio Yamada | 1989-04-18 |
| 4580609 | All-season tire | Takayoshi Nagata | 1986-04-08 |
| 4550135 | Tire rubber composition | Satoshi Iwama | 1985-10-29 |
| 4548980 | Tire tread rubber composition | Takayoshi Nagata | 1985-10-22 |