| Patent | Date |
|---|
Semiconductor integrated circuit
Grant 6,677,797 - Kameyama , et al. January 13, 2 | 2004-01-13 |
Nonvolatile semiconductor memory device
Grant 6,545,909 - Tanaka , et al. April 8, 2 | 2003-04-08 |
Level converter circuit
Grant 6,466,054 - Kameyama , et al. October 15, 2 | 2002-10-15 |
Nonvolatile semiconductor memory device
App 20020097603 - Tanaka, Tomoharu ; et al. | 2002-07-25 |
Semiconductor integrated circuit
App 20020080663 - Kameyama, Atsushi ; et al. | 2002-06-27 |
Nonvolatile semiconductor memory device
Grant 6,363,010 - Tanaka , et al. March 26, 2 | 2002-03-26 |
Configurable integrated circuit and method of testing the same
Grant 6,349,395 - Ohuchi , et al. February 19, 2 | 2002-02-19 |
Configurable Integrated Circuit And Method Of Testing The Same
App 20020010885 - OHUCHI, KAZUNORI ; et al. | 2002-01-24 |
Nonvolatile semiconductor memory device
App 20010040821 - Tanaka, Tomoharu ; et al. | 2001-11-15 |
Level converter circuit
App 20010024130 - Kameyama, Atsushi ; et al. | 2001-09-27 |
Nonvolatile semiconductor memory device
Grant 6,282,117 - Tanaka , et al. August 28, 2 | 2001-08-28 |
Nonvolatile semiconductor memory device
Grant 6,044,013 - Tanaka , et al. March 28, 2 | 2000-03-28 |
Nonvolatile semiconductor memory device
Grant 5,969,985 - Tanaka , et al. October 19, 1 | 1999-10-19 |
Semiconductor memory device having a multilayered bitline structure with respective wiring layers for reading and writing data
Grant 5,933,380 - Tsuchida , et al. August 3, 1 | 1999-08-03 |
Electrically erasable programmable read-only memory with threshold value controller for data programming and method of programming the same
Grant 5,831,903 - Ohuchi , et al. November 3, 1 | 1998-11-03 |
Electrically erasable programmable read-only memory with NAND cell structure
Grant RE35,838 - Momodomi , et al. July 7, 1 | 1998-07-07 |
Sense amplifier for use in an EEPROM
Grant 5,740,112 - Tanaka , et al. April 14, 1 | 1998-04-14 |
Electrically erasable programmable read-only memory with threshold value controller for data programming
Grant 5,657,270 - Ohuchi , et al. August 12, 1 | 1997-08-12 |
Electrically erasable and programmable non-volatile and multi-level memory systemn with write-verify controller
Grant 5,602,789 - Endoh , et al. February 11, 1 | 1997-02-11 |
Semiconductor memory device
Grant 5,523,980 - Sakui , et al. June 4, 1 | 1996-06-04 |
Non-volatile semiconductor memory device for storing multi-value data
Grant 5,521,865 - Ohuchi , et al. May 28, 1 | 1996-05-28 |
Non-volatile semiconductor memory with NAND cell structure and switching transistors with different channel lengths to reduce punch-through
Grant 5,508,957 - Momodomi , et al. April 16, 1 | 1996-04-16 |
Nonvolatile semiconductor memory apparatus
Grant 5,477,495 - Tanaka , et al. December 19, 1 | 1995-12-19 |
Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels
Grant 5,469,444 - Endoh , et al. * November 21, 1 | 1995-11-21 |
Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels
Grant 5,386,422 - Endoh , et al. January 31, 1 | 1995-01-31 |
Electrically erasable programmable read-only memory with write/verify controller
Grant 5,379,256 - Tanaka , et al. January 3, 1 | 1995-01-03 |
Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels
Grant 5,321,699 - Endoh , et al. June 14, 1 | 1994-06-14 |
Semiconductor memory including address multiplexing circuitry for changing the order of supplying row and column addresses between read and write cycles
Grant 5,173,878 - Sakui , et al. December 22, 1 | 1992-12-22 |
Electrically erasable programmable read-only memory with NAND cell structure
Grant 4,959,812 - Momodomi , et al. September 25, 1 | 1990-09-25 |
Divided bit line type dynamic random access memory with charging/discharging current suppressor
Grant 4,926,382 - Sakui , et al. May 15, 1 | 1990-05-15 |
Semiconductor memory system with dynamic random access memory cells
Grant 4,800,530 - Itoh , et al. January 24, 1 | 1989-01-24 |
Active pull-up circuit
Grant 4,503,343 - Ohuchi March 5, 1 | 1985-03-05 |
| 