Issued Patents All Time
Showing 176–200 of 201 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7012295 | Semiconductor memory with peripheral transistors having gate insulator thickness being thinner than thickness of memory and select transistors | Atsuhiro Sato, Makoto Sakuma | 2006-03-14 |
| 7005714 | Nonvolatile semiconductor memory and manufacturing method for the same | Yoshio Ozawa, Masayuki Tanaka | 2006-02-28 |
| 6943402 | Nonvolatile semiconductor memory device including MOS transistors each having a floating gate and control gate | Shigeru Nagasaka, Akira Umezawa | 2005-09-13 |
| 6940752 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Susumu Fujimura | 2005-09-06 |
| 6930921 | NAND type flash EEPROM in which sequential programming process is performed by using different intermediate voltages | Yasuhiko Matsunaga, Toshitake Yaegashi | 2005-08-16 |
| 6878985 | Nonvolatile semiconductor memory device having a memory cell that includes a floating gate electrode and control gate electrode | Riichiro Shirota, Toshitake Yaegashi, Akira Shimizu, Yasuhiko Matsunaga, Masayuki Ichige +1 more | 2005-04-12 |
| 6868010 | Semiconductor memory device having row decoder in which high-voltage-applied portion is located adjacent to low-voltage-applied portion | Akira Shimizu, Riichiro Shirota | 2005-03-15 |
| 6859394 | NAND type non-volatile semiconductor memory device | Yasuhiko Matsunaga, Toshitake Yaegashi, Riichiro Shirota | 2005-02-22 |
| 6859395 | NAND type flash EEPROM in which sequential programming process is performed by using different intermediate voltages | Yasuhiko Matsunaga, Toshitake Yaegashi | 2005-02-22 |
| 6816411 | Non-volatile semiconductor storage device composed of NAND type EEPROM and deletion verification method in non-volatile semiconductor storage device | Toshitake Yaegashi, Yasuhiko Matsunaga | 2004-11-09 |
| 6807104 | Nonvolatile semiconductor memory device and data program method thereof | Akira Shimizu | 2004-10-19 |
| 6798698 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Susumu Fujimura | 2004-09-28 |
| 6784503 | Non-volatile semiconductor memory device having memory cell array suitable for high density and high integration | Kazuhiro Shimizu | 2004-08-31 |
| 6680230 | Semiconductor device and method of fabricating the same | Norihisa Arai, Seiichi Aritome, Akira Shimizu, Riichiro Shirota | 2004-01-20 |
| 6596578 | Semiconductor device and manufacturing method thereof | Yuji Takeuchi | 2003-07-22 |
| 6549464 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Susumu Fujimura | 2003-04-15 |
| 6531357 | Method of manufacturing a semiconductor device | Yuji Takeuchi | 2003-03-11 |
| 6493265 | Nonvolatile semiconductor memory device | Shinji Satoh, Riichiro Shirota | 2002-12-10 |
| 6459612 | Nonvolatile semiconductor memory device | Shinji Satoh, Riichiro Shirota | 2002-10-01 |
| 6434055 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Susumu Fujimura | 2002-08-13 |
| 6413809 | Method of manufacturing a non-volatile memory having an element isolation insulation film embedded in the trench | Takuya Nakamura, Naoki Koido, Hirohisa Iizuka, Kazuhito Narita, Seiichi Aritome | 2002-07-02 |
| 6388341 | Semiconductor device | Yuji Takeuchi | 2002-05-14 |
| 6314026 | Nonvolatile semiconductor device using local self boost technique | Shinji Satoh, Riichiro Shirota | 2001-11-06 |
| 6222225 | Semiconductor device and manufacturing method thereof | Takuya Nakamura, Naoki Koido, Hirohisa Iizuka, Kazuhito Narita, Seiichi Aritome | 2001-04-24 |
| 6208560 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Susumu Fujimura | 2001-03-27 |