Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034567 | Semiconductor integrated circuit device provided with a differential amplifier | Shigeru Atsumi, Norihisa Arai, Hironori Banba, Ryo Sudo | 2000-03-07 |
| 5909406 | Semiconductor memory device | Tadayuki Taura, Shigeru Atsumi | 1999-06-01 |
| 5568419 | Non-volatile semiconductor memory device and data erasing method therefor | Shigeru Atsumi, Masao Kuriyama, Hironori Banba, Nobuaki Otsuka | 1996-10-22 |