Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407681 | High tensile steel and process for producing the same | Kazuo Yamamoto, Hirokichi Higashiyama, Norio Ishikawa, Hiroshi Miyoshi | 1983-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407681 | High tensile steel and process for producing the same | Kazuo Yamamoto, Hirokichi Higashiyama, Norio Ishikawa, Hiroshi Miyoshi | 1983-10-04 |