Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579819 | Silicon nitride sintered products and processes for their production | Naoto Hirosaki, Toshiyuki Nishimura, Mamoru Mitomo | 2003-06-17 |
| 6548182 | Coating agent for ink jet recording materials and ink jet recording material | Dana D. Field, Yoshihiro Arita, Norihiro Wakao | 2003-04-15 |