Issued Patents All Time
Showing 26–50 of 126 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642569 | Semiconductor memory with nonvolatile memory cell array and semiconductor device with nonvolatile memory cell array and logic device | Seiichi Mori | 2003-11-04 |
| 6643183 | Channel-erase nonvolatile semiconductor memory device | Tadayuki Taura, Toru Tanzawa | 2003-11-04 |
| 6605986 | Boosted voltage generating circuit and semiconductor memory device having the same | Toru Tanzawa, Takeshi Miyaba | 2003-08-12 |
| 6577538 | Channel-erase nonvolatile semiconductor memory device | Tadayuki Taura, Toru Tanzawa | 2003-06-10 |
| 6560144 | Nonvolatile semiconductor memory device | Hironori Banba | 2003-05-06 |
| 6552936 | Semiconductor storage apparatus | Hitoshi Shiga, Yoshinori Takano, Toru Tanzawa | 2003-04-22 |
| 6529414 | Nonvolatile semiconductor memory device including a circuit for providing a boosted potential | Sumio Tanaka | 2003-03-04 |
| 6510089 | Voltage-level shifter and semiconductor memory using the same | Tadayuki Taura | 2003-01-21 |
| 6498761 | Power supply circuit and semiconductor memory device having the same | Hironori Banba | 2002-12-24 |
| 6496413 | Semiconductor memory device for effecting erasing operation in block unit | Tadayuki Taura | 2002-12-17 |
| 6487120 | Boosted voltage generating circuit and semiconductor memory device having the same | Toru Tanzawa, Takeshi Miyaba | 2002-11-26 |
| 6480426 | Semiconductor integrated circuit device | Masao Kuriyama, Akira Umezawa, Hironori Banba, Tadayuki Taura, Hidetoshi Saito | 2002-11-12 |
| 6445618 | Channel-erase nonvolatile semiconductor memory device | Tadayuki Taura, Toru Tanzawa | 2002-09-03 |
| 6442082 | Voltage-level shifter and semiconductor memory using the same | Tadayuki Taura | 2002-08-27 |
| 6429725 | Pump circuit with active-mode and stand-by mode booster circuits | Toru Tanzawa | 2002-08-06 |
| 6385087 | Nonvolatile semiconductor memory device | Hironori Banba | 2002-05-07 |
| 6373749 | Channel-erase nonvolatile semiconductor memory device | Tadayuki Taura, Toru Tanzawa | 2002-04-16 |
| 6356499 | Power supply circuit and semiconductor memory device having the same | Hironori Banba | 2002-03-12 |
| 6337825 | Semiconductor memory device | Toru Tanzawa | 2002-01-08 |
| 6333662 | Latch type level shift circuit | Akira Umezawa | 2001-12-25 |
| 6327180 | Semiconductor memory device for effecting erasing operation in block unit | Tadayuki Taura | 2001-12-04 |
| 6324100 | Nonvolatile semiconductor memory device | Sumio Tanaka | 2001-11-27 |
| 6320428 | Semiconductor integrated circuit device | Masao Kuriyama, Akira Umezawa, Hironori Banba, Tadayuki Taura, Hidetoshi Saito | 2001-11-20 |
| 6278316 | Pump circuit with reset circuitry | Toru Tanzawa | 2001-08-21 |
| 6256227 | Non-volatile semiconductor memory having column sub-selector layout pattern adaptable to miniaturization of memory cell | Akira Umezawa, Toru Tanzawa, Seiji Yamada | 2001-07-03 |