Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4766162 | Resin composition for sealing electronic parts, and hydration-resistant magnesia powder and process for preparation thereof | Toshikazu Hamamoto, Kozaburo Yoshida, Yasuhiko Toda | 1988-08-23 |
| 4677026 | Resin composition for sealing electronic parts, and hydration-resistant magnesia powder and process for preparation thereof | Toshikazu Hamamoto, Kozaburo Yoshida, Yasuhiko Toda | 1987-06-30 |