Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889495 | Connecting mechanism for memory card | — | 1989-12-26 |
| 4886873 | Aromatic hetero ring-containing polyimide and its composite | Seiichi Mukai, Shohachi Morita | 1989-12-12 |
| 4885628 | Semiconductor integrated circuit device | Yasuo Nagai, Isao Shimizu, Kenji Kaneko, Takeaki Okabe, Koozoo Sakamoto | 1989-12-05 |
| 4814288 | Method of fabricating semiconductor devices which include vertical elements and control elements | Takeaki Okabe, Isao Yoshida, Kouzou Sakamoto, Kazuo Hoya, Kouichiro Satonaka +2 more | 1989-03-21 |
| 4804994 | Compact electrophotographic printing apparatus having an improved development means and a method for operating the same | Sachio Sasaki, Masahiro Wanou, Junzo Nakajima | 1989-02-14 |
| 4796411 | Packaging food in raised state | Hiroshi Okuda, Yujiro Fujikawa, Tatsuaki Inomata | 1989-01-10 |