Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780851 | Semiconductor memory device having improved redundant structure | — | 1988-10-25 |
| 4357747 | Method for producing a semiconductor device having an insulated gate type field effect transistor | Shigeru Koshimaru, Takashi Yamanaka | 1982-11-09 |
| 4298960 | Memory integrated circuit | Kenjiro Mitake | 1981-11-03 |
| 4268847 | Semiconductor device having an insulated gate type field effect transistor and method for producing the same | Shigeru Koshimaru, Takashi Yamanaka | 1981-05-19 |