Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733600 | Nitrided maraging steel and method of manufacture thereof | Masahiro Suzuki, Ikuo Tani, Youichi Watanabe, Shunzou Umegaki, Kiyotaka Akimoto +1 more | 2004-05-11 |
YH
Yuichi Heishi
Dowa Mining Co.: 1 patents #157 of 324Top 50%
Overall (All Time): #3,478,527 of 4,157,543Top 85%
1
Patents All Time