Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8058197 | Carbon composite materials comprising particles of metal carbides dispersed therein and method for producing the same | Shigeru Ichikawa, Sumio Kamiya, Koji Yamada | 2011-11-15 |
| 8037719 | Method for manufacturing basalt fiber | Sumio Kamiya, Noriaki Nakagawa | 2011-10-18 |
| 7896129 | Sub-muffler | Sumio Kamiya, Kazutoshi Wakatsuki, Noriaki Nakagawa | 2011-03-01 |