Issued Patents All Time
Showing 76–84 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816411 | Non-volatile semiconductor storage device composed of NAND type EEPROM and deletion verification method in non-volatile semiconductor storage device | Fumitaka Arai, Yasuhiko Matsunaga | 2004-11-09 |
| 6703658 | Non-volatile semiconductor memory device and its manufacturing method | Kazuhiro Shimizu, Seiichi Aritome | 2004-03-09 |
| 6586805 | Non-volatile semiconductor memory device | Kazuhiro Shimizu, Seiichi Aritome | 2003-07-01 |
| 6534867 | Semiconductor device, semiconductor element and method for producing same | Eiji Kamiya, Kazuhiro Shimizu, Riichiro Shirota, Yuji Takeuchi, Norihisa Arai | 2003-03-18 |
| 6512253 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Yuji Takeuchi +3 more | 2003-01-28 |
| 6495896 | Semiconductor integrated circuit device with high and low voltage wells | Seiichi Aritome, Yuji Takeuchi, Kazuhiro Shimizu | 2002-12-17 |
| 6472701 | Non-volatile semiconductor memory device and its manufacturing method | Kazuhiro Shimizu, Seiichi Aritome | 2002-10-29 |
| 6353242 | Nonvolatile semiconductor memory | Hiroshi Watanabe, Hiroshi Nakamura, Kazuhiro Shimizu, Seiichi Aritome, Yuji Takeuchi +3 more | 2002-03-05 |
| 6265739 | Non-volatile semiconductor memory device and its manufacturing method | Kazuhiro Shimizu, Seiichi Aritome | 2001-07-24 |