Issued Patents All Time
Showing 201–225 of 325 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549464 | Nonvolatile semiconductor memory device | Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai, Susumu Fujimura | 2003-04-15 |
| 6545909 | Nonvolatile semiconductor memory device | Kazunori Ohuchi, Toru Tanzawa, Ken Takeuchi | 2003-04-08 |
| 6525964 | Semiconductor memory device | Hiroshi Nakamura, Toru Tanzawa | 2003-02-25 |
| 6522580 | Operating techniques for reducing effects of coupling between storage elements of a non-volatile memory operated in multiple data states | Jian Chen, Yupin Fong, Khandker N. Quader | 2003-02-18 |
| 6507518 | Fail number detecting circuit of flash memory | Koji Hosono, Tamio Ikehashi, Kenichi Imamiya, Hiroshi Nakamura, Ken Takeuchi | 2003-01-14 |
| 6507508 | Pattern layout of transfer transistors employed in row decoder | Koji Hosono, Hiroshi Nakamura, Kenichi Imamiya | 2003-01-14 |
| 6496412 | Nonvolatile semiconductor memory device for storing multivalued data | Noboru Shibata | 2002-12-17 |
| 6487122 | Multi-value semiconductor memory device with write verify circuit | Noboru Shibata | 2002-11-26 |
| 6477087 | Electrically erasable and programmable non-volatile semiconductor memory with automatic write-verify controller | Yoshiyuki Tanaka, Hiroshi Nakamura, Hideko Odaira | 2002-11-05 |
| 6452437 | Voltage generator for compensating for temperature dependency of memory cell current | Ken Takeuchi | 2002-09-17 |
| 6434055 | Nonvolatile semiconductor memory device | Hiroshi Nakamura, Ken Takeuchi, Riichiro Shirota, Fumitaka Arai, Susumu Fujimura | 2002-08-13 |
| 6426892 | Nonvolatile semiconductor memory device for storing multivalued data | Noboru Shibata | 2002-07-30 |
| 6418052 | Nonvolatile semiconductor memory equipped with data latch circuits for transferring one-bit data or multi-bit data | Noboru Shibata, Hiroto Nakai, Toshio Yamamura, Susumu Fujimura | 2002-07-09 |
| 6377485 | Multi-value semiconductor memory device and reading method thereof | Noboru Shibata | 2002-04-23 |
| 6373746 | Nonvolatile semiconductor memory having plural data storage portions for a bit line connected to memory cells | Ken Takeuchi, Noboru Shibata | 2002-04-16 |
| 6363010 | Nonvolatile semiconductor memory device | Kazunori Ohuchi, Toru Tanzawa, Ken Takeuchi | 2002-03-26 |
| 6344996 | Semiconductor memory device | Hiroshi Nakamura, Toru Tanzawa | 2002-02-05 |
| 6331945 | Non-volatile semiconductor memory capable of storing one-bit data or multi-bit data | Noboru Shibata, Hiroto Nakai, Toshio Yamamura, Susumu Fujimura | 2001-12-18 |
| 6320220 | Quantum tunneling effect device and semiconductor composite substrate | Hiroshi Watanabe, Naoki Yasuda, Akira Toriumi, Toru Tanzawa | 2001-11-20 |
| 6307785 | Non-volatile semiconductor memory device | Ken Takeuchi | 2001-10-23 |
| 6301153 | Nonvolatile semiconductor memory device | Ken Takeuchi | 2001-10-09 |
| 6288935 | Nonvolatile semiconductor memory device for storing multivalued data | Noboru Shibata | 2001-09-11 |
| 6285591 | Method for programming an electrically erasable and programmable non-volatile semiconductor memory with automatic write-verify controller | Yoshiyuki Tanaka, Hiroshi Nakamura, Hideko Odaira | 2001-09-04 |
| 6282117 | Nonvolatile semiconductor memory device | Kazunori Ohuchi, Toru Tanzawa, Ken Takeuchi | 2001-08-28 |
| 6249479 | Semiconductor memory device | Toru Tanzawa | 2001-06-19 |