Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4991139 | Semiconductor memory device | Yasushi Takahashi, Masamichi Ishihara, Kazuhiko Kajigaya | 1991-02-05 |
| 4951122 | Resin-encapsulated semiconductor device | Kunihiro Tsubosaki, Gen Murakami, Masamichi Ishihara, Satoru Ito, Yasuo Mori | 1990-08-21 |