Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875284 | Process for producing a package for packing semiconductor devices | Yasunori Ando, Eiji Kamijo, Noriaki Matsumura | 1989-10-24 |
| 4831212 | Package for packing semiconductor devices and process for producing the same | Yasunori Ando, Eiji Kamijo, Noriaki Matsumura | 1989-05-16 |
| 4828870 | Method of forming a thin aluminum film | Yasunori Ando | 1989-05-09 |