Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8750050 | Nonvolatile semiconductor memory device and programming method | Shuhei Kamano | 2014-06-10 |
| 7551488 | Semiconductor nonvolatile memory trimming technique for output characteristic control and redundancy repair | Hiroyuki Tanikawa, Nobukazu Murata | 2009-06-23 |
| 7034605 | Internal step-down power supply circuit | Masayuki Otsuka | 2006-04-25 |
| 7015535 | Nonvolatile semiconductor memory device | Takashi Ono, Shoji Kitazawa | 2006-03-21 |
| 6885237 | Internal step-down power supply circuit | Masayuki Otsuka | 2005-04-26 |
| 6756813 | Voltage translator | — | 2004-06-29 |
| 6753721 | Internal step-down power supply circuit | Masayuki Otsuka | 2004-06-22 |
| 6477089 | Nonvolatile semiconductor memory circuit capable of high-speed data reading | Keiichiro Takeda | 2002-11-05 |
| 6434068 | Nonvolatile semiconductor memory with testing circuit | Keichiro Takeda | 2002-08-13 |
| 5473560 | Method of reading data and read-only memory circuit | — | 1995-12-05 |
| 5319600 | Semiconductor memory device with noise immunity | — | 1994-06-07 |
| 5311479 | Semiconductor memory device having a CMOS decoding circuit | — | 1994-05-10 |
| 5204542 | Nonvolatile semiconductor memory device of shared contact scheme not having inclined wiring | Satoru Namaki, Shooji Kitazawa | 1993-04-20 |
| 5117392 | Non-volatile semiconductor memory device | — | 1992-05-26 |
| 5031148 | MOS semiconductor memory device | Shooji Kitazawa | 1991-07-09 |
| 4935791 | Nonvolatile semiconductor memory device of shared contact scheme not having inclined wiring | Satoru Namaki, Shooji Kitazawa | 1990-06-19 |
| 4899309 | Current sense circuit for a ROM system | Shooji Kitazawa, Hiroshi Kuwabara | 1990-02-06 |