Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8883069 | Dense boron carbide ceramic and process for producing the same | Takeshi Kumazawa, Toru Honda | 2014-11-11 |
| 6461156 | Firing setters and process for producing these setters | Takeshi Kumazawa, Mikichika Haga, Yoshiaki Hayashi | 2002-10-08 |