Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884373 | Numerically controlled machine tool | Takao Yoneda, Takayuki Hotta, Toshihiro Yonezu | 1989-12-05 |
| 4867858 | Insoluble anode made of lead alloy | Hirokage Matsuzawa, Teruhisa Tsuruga, Takashi Orihashi, Katsushi Imanishi, Tadashi Takemura | 1989-09-19 |