Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871591 | Finish coating method | You Sugimura, Tadashi Watanabe, Yutaka Sugiyama, Nobushige Numa, Sachio Yamaguchi +1 more | 1989-10-03 |
| 4812337 | Metallic coating method | You Sugimura, Nobushige Numa, Tadashi Watanabe, Yutaka Sugiyama, Sachio Yamaguchi | 1989-03-14 |