Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5781627 | Semiconductor integrated circuit device with copy-preventive function | Kouji Ueno, Kouji Shishido, Yutaka Fukutani, Youji Arayama, Tomohiro Nakayama +4 more | 1998-07-14 |
| 4809227 | Read only memory device having memory cells each storing one of three states | Yasuo Suzuki, Yasuaki Suzuki | 1989-02-28 |