Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881202 | Semiconductor memory device using partial decoders for redundancy | Jun Tsujimoto, Masataka Matsui, Takayuki Ohtani | 1989-11-14 |
| 4872042 | Semiconductor device | Satoshi Maeda | 1989-10-03 |