Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829194 | Semiconductor device that enables simultaneous read and write/read operation | Yasuhiko Honda, Hideo Kato, Hidetoshi Saito, Tokumasa Hara, Takafumi Ikeda +1 more | 2004-12-07 |
| 6717852 | Nonvolatile semiconductor memory device capable of concurrently and reliably writing/erasing and reading memory cores | Yasuhiko Honda, Hideo Kato, Hidetoshi Saito, Tokumasa Hara | 2004-04-06 |
| 6711066 | Nonvolatile semiconductor memory | Toru Tanzawa, Tadayuki Taura | 2004-03-23 |
| 6700817 | Semiconductor integrated circuit device with operation/function setting information memory | Shigeru Atsumi, Akira Umezawa, Hironori Banba, Tadayuki Taura, Hidetoshi Saito | 2004-03-02 |
| 6532181 | Semiconductor memory device having redundant circuitry for replacing defective memory cell | Hidetoshi Saito, Yasuhiko Honda, Hideo Kato | 2003-03-11 |
| 6512693 | Semiconductor device that enables simultaneous read and write/erase operation | Yasuhiko Honda, Hideo Kato, Hidetoshi Saito, Tokumasa Hara, Takafumi Ikeda +1 more | 2003-01-28 |
| 6480427 | Negative-potential detecting circuit having an enhanced sensitivity of detecting negative potentials | — | 2002-11-12 |
| 6480426 | Semiconductor integrated circuit device | Shigeru Atsumi, Akira Umezawa, Hironori Banba, Tadayuki Taura, Hidetoshi Saito | 2002-11-12 |
| 6442080 | Nonvolatile semiconductor memory | Toru Tanzawa, Tadayuki Taura | 2002-08-27 |
| 6377502 | Semiconductor device that enables simultaneous read and write/erase operation | Yasuhiko Honda, Hideo Kato, Hidetoshi Saito, Tokumasa Hara, Takafumi Ikeda +1 more | 2002-04-23 |
| 6373325 | Semiconductor device with a charge pumping circuit | — | 2002-04-16 |
| 6320428 | Semiconductor integrated circuit device | Shigeru Atsumi, Akira Umezawa, Hironori Banba, Tadayuki Taura, Hidetoshi Saito | 2001-11-20 |
| 6320800 | Semiconductor memory and nonvolatile semiconductor memory having redundant circuitry for replacing defective memory cell | Hidetoshi Saito, Yasuhiko Honda, Hideo Kato | 2001-11-20 |
| 6281665 | High speed internal voltage generator with reduced current draw | Takeshi Miyaba, Tooru Tanzawa | 2001-08-28 |
| 6262916 | Non-volatile semiconductor memory device capable of pre-conditioning memory cells prior to a data erasure | Hidetoshi Saito, Tadayuki Taura | 2001-07-17 |
| 6236609 | Nonvolatile semiconductor memory | Toru Tanzawa, Tadayuki Taura | 2001-05-22 |
| 6222773 | Nonvolatile semiconductor memory in which the number of programming or erasing bits increases with the progress of programming or erasing | Tooru Tanzawa, Nobuaki Otsuka, Hironori Banba, Shigeru Atsumi, Seiichi Mori +1 more | 2001-04-24 |
| 6205045 | Semiconductor memory device having improved cell array layout | Shigeru Atsumi | 2001-03-20 |
| 6160738 | Nonvolatile semiconductor memory system | Shigeru Atsumi, Hironori Banba | 2000-12-12 |
| 6118697 | Nonvolatile semiconductor memory in which the number of programming or erasing bits increases with the progress of programming or erasing | Tooru Tanzawa, Nobuaki Otsuka, Hironori Banba, Shigeru Atsumi, Seiichi Mori +1 more | 2000-09-12 |
| 6078525 | Non-volatile semiconductor memory device capable of pre-conditioning memory cells prior to a data erasure | Hidetoshi Saito, Tadayuki Taura | 2000-06-20 |
| 6064618 | Semiconductor memory device having improved cell array layout | Shigeru Atsumi | 2000-05-16 |
| 6052313 | Semiconductor integrated circuit device | Shigeru Atsumi, Akira Umezawa, Hironori Banba, Tadayuki Taura, Hidetoshi Saito | 2000-04-18 |
| 5805510 | Data erase mechanism for nonvolatile memory of boot block type | Tadashi Miyakawa, Hidetoshi Saito, Tadayuki Taura | 1998-09-08 |
| 5568419 | Non-volatile semiconductor memory device and data erasing method therefor | Shigeru Atsumi, Hironori Banba, Akira Umezawa, Nobuaki Otsuka | 1996-10-22 |