Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883704 | Circuit substrate comprising nitride type ceramics, method for preparing it, and metallizing composition for use in it | Hideki Sato, Hironori Asai, Kazuo Anzai, Tsuyoshi Hatano | 1989-11-28 |
| 4873151 | Aluminum nitride circuit substrate | Hideki Sato | 1989-10-10 |
| 4849292 | Method for directly bonding ceramic and metal members and laminated body of the same | Hajime Kohama, Yasuyuki Sugiura | 1989-07-18 |
| 4835065 | Composite alumina-aluminum nitride circuit substrate | Hideki Sato | 1989-05-30 |