Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830825 | Corrosion-resistant copper alloy | Hideo Kobayashi, Akira Yasumori, Tsutomu Kimura, Hiroshi Hayashi | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830825 | Corrosion-resistant copper alloy | Hideo Kobayashi, Akira Yasumori, Tsutomu Kimura, Hiroshi Hayashi | 1989-05-16 |