Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5986935 | Semiconductor memory device with high voltage generation circuit | Hironori Banba, Shigeru Atsumi | 1999-11-16 |
| 4974206 | Nonvolatile semiconductor memory device having reference potential generating circuit | Junichi Miyamoto, Nobuaki Ohtsuka, Sumio Tanaka | 1990-11-27 |
| 4951257 | Reference setting circuit for determining written-in content in nonvolatile semiconductor memories | Keniti Imamiya, Sumio Tanaka, Junichi Miyamoto, Shigeru Atsumi, Nobuaki Ohtsuka | 1990-08-21 |