Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667264 | Silicon nitride sintered material and process for production thereof | Kiyoshi Araki, Tsuneaki Ohashi, Katsuhiro Inoue | 2003-12-23 |
| 6611486 | Recording medium recognition information recording method, recording medium recognition information recording apparatus, and recording disc | Hiroshi Kawase, Kazuhiro Sato, Yoshihisa Haruyama | 2003-08-26 |
| 6607836 | Material of low volume resistivity, an aluminum nitride sintered body and a member used for the production of semiconductors | Yuji Katsuda, Jun Yoshikawa, Chikashi Ihara | 2003-08-19 |
| 6541406 | Silicon nitride sintered material and process for production thereof | Kiyoshi Araki, Tsuneaki Ohashi, Katsuhiro Inoue | 2003-04-01 |