Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10876180 | Method of manufacturing hot rolled steel sheet for square column for building structural members | Chikara Kami, Yuta Tamura, Shuji Kawamura | 2020-12-29 |
| 9708680 | Hot rolled steel sheet for square column for building structural members | Chikara Kami, Yuta Tamura, Shuji Kawamura | 2017-07-18 |