Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873670 | Complementary semiconductor memory device with pull-up and pull down | Hideo Hashimoto | 1989-10-10 |
| 4831961 | Magnetic liquid application method and apparatus | Naoyoshi Chino, Kenichi Fukumura, Yasuhito Hiraki | 1989-05-23 |
| 4828779 | Coating method | Yasuhito Hiraki, Shinji Noda | 1989-05-09 |