Patent | Date |
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Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor Grant 5,898,606 - Kobayashi , et al. April 27, 1 | 1999-04-27 |
Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor Grant 5,745,417 - Kobayashi , et al. April 28, 1 | 1998-04-28 |
Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor Grant 5,659,505 - Kobayashi , et al. August 19, 1 | 1997-08-19 |
Non-volatile semiconductor memory device incorporating data latch and address counter for page mode programming Grant 5,615,149 - Kobayashi , et al. March 25, 1 | 1997-03-25 |
Nonvolatile semiconductor memory device with a row redundancy circuit Grant 5,602,778 - Futatsuya , et al. February 11, 1 | 1997-02-11 |
Nonvolatile semiconductor memory device with a row redundancy circuit Grant 5,548,557 - Futatsuya , et al. August 20, 1 | 1996-08-20 |
Electrically erasable and programmable non-volatile memory device and a method of operating the same Grant 5,428,568 - Kobayashi , et al. June 27, 1 | 1995-06-27 |
Nonvolatile semiconductor memory device capable of erasing by a word line unit Grant 5,402,382 - Miyawaki , et al. March 28, 1 | 1995-03-28 |
Internal voltage generator for a non-volatile semiconductor memory device Grant 5,371,705 - Nakayama , et al. December 6, 1 | 1994-12-06 |
Non-volatile semiconductor memory device incorporating data latch and address counter for page mode programming Grant 5,363,330 - Kobayashi , et al. November 8, 1 | 1994-11-08 |
Nonvolatile semiconductor memory device Grant 5,347,490 - Terada , et al. September 13, 1 | 1994-09-13 |
Nonvolatile semiconductor memory device and data erasing method thereof Grant 5,297,096 - Terada , et al. March 22, 1 | 1994-03-22 |
Non-volatile semiconductor memory device Grant 5,283,758 - Nakayama , et al. February 1, 1 | 1994-02-01 |
Semiconductor memory device having error correcting function Grant 5,233,610 - Nakayama , et al. August 3, 1 | 1993-08-03 |
Divided word line type non-volatile semiconductor memory device Grant 5,132,928 - Hayashikoshi , et al. July 21, 1 | 1992-07-21 |
Nonvolatile content-addressable memory and operating method therefor Grant 5,111,427 - Kobayashi , et al. May 5, 1 | 1992-05-05 |
Low current semiconductor memory device Grant 5,105,384 - Noguchi , et al. April 14, 1 | 1992-04-14 |
Semiconductor memory device having reading operation of information by differential amplification Grant 5,022,009 - Terada , et al. June 4, 1 | 1991-06-04 |
Semiconductor integrated circuit having multiple self-test functions and operating method therefor Grant 4,970,727 - Miyawaki , et al. November 13, 1 | 1990-11-13 |
Nonvolatile semiconductor memory device and a writing method using electron tunneling Grant 4,958,317 - Terada , et al. September 18, 1 | 1990-09-18 |
Nonvolatile semiconductor memory device capable of reliably writing data and a data writing method therefor Grant 4,953,129 - Kobayashi , et al. August 28, 1 | 1990-08-28 |
Non-volatile semiconductor memory device Grant 4,933,906 - Terada , et al. June 12, 1 | 1990-06-12 |
Nonvolatile semiconductor memory device and a writing method therefor Grant 4,903,236 - Nakayama , et al. February 20, 1 | 1990-02-20 |
Nonvolatile semiconductor memory device Grant 4,813,018 - Kobayashi , et al. March 14, 1 | 1989-03-14 |
Data integrity verifying circuit for electrically erasable and programmable read only memory (EEPROM) Grant 4,811,294 - Kobayashi , et al. March 7, 1 | 1989-03-07 |
Nonvolatile semiconductor memory device Grant 4,805,151 - Terada , et al. February 14, 1 | 1989-02-14 |
Nonvolatile semiconductor memory device Grant 4,760,556 - Deguchi , et al. July 26, 1 | 1988-07-26 |
Semiconductor memory device with high voltage switch Grant 4,733,371 - Terada , et al. March 22, 1 | 1988-03-22 |
Nonvolatile semiconductor memory device Grant 4,725,983 - Terada February 16, 1 | 1988-02-16 |
Semiconductor device Grant 4,694,314 - Terada , et al. September 15, 1 | 1987-09-15 |
Semiconductor memory device Grant 4,691,216 - Terada , et al. September 1, 1 | 1987-09-01 |