Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7442661 | Boron carbide based sintered compact and method for preparation thereof | Kiyoshi Hirao, Shuji Sakaguchi, Shuzo Kanzaki, Suzuya Yamada | 2008-10-28 |
| 7417002 | Boron carbide based sintered compact and method for preparation thereof | Kiyoshi Hirao, Shuji Sakaguchi, Shuzo Kanzaki, Suzuya Yamada | 2008-08-26 |