Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416565 | Method for smelting copper sulfide concentrate | Akira Yazawa, Nozomu Hasegawa, Yoshiaki Mori | 2002-07-09 |
| 4982804 | Vehicle steering system | Hirotaka Kanazawa, Yukio Noguchi, Isamu Chikuma, Satoru Shimada, Kazuo Chikaraishi | 1991-01-08 |