Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6233168 | Non-volatile semiconductor memory capable of reducing parasitic current | Hitoshi Kokubun, Keiichiro Takeda, Yuichi Ashizawa | 2001-05-15 |
| 6147912 | Non-volatile semiconductor memory and method for reading data stored therein | — | 2000-11-14 |
| 5204542 | Nonvolatile semiconductor memory device of shared contact scheme not having inclined wiring | Satoru Namaki, Teruhiro Harada | 1993-04-20 |
| 5056062 | Method of operating an EPROM including delaying and boosting steps | Hiroshi Kuwabara | 1991-10-08 |
| 5051953 | EEPROM device including read, write, and erase voltage switching circuits | Takashi Ono | 1991-09-24 |
| 5031148 | MOS semiconductor memory device | Teruhiro Harada | 1991-07-09 |
| 4987464 | Encapsulated FET semiconductor device with large W/L ratio | Yasuhiro Fukuda | 1991-01-22 |
| 4967399 | Erasable and programmable read-only memory system | Hiroshi Kuwabara | 1990-10-30 |
| 4935791 | Nonvolatile semiconductor memory device of shared contact scheme not having inclined wiring | Satoru Namaki, Teruhiro Harada | 1990-06-19 |
| 4924280 | Semiconductor fet with long channel length | Yasuhiro Fukuda | 1990-05-08 |
| 4899309 | Current sense circuit for a ROM system | Hiroshi Kuwabara, Teruhiro Harada | 1990-02-06 |
| 4884239 | Method for erasing data in a semiconductor memory device | Takashi Ono | 1989-11-28 |
| 4709352 | MOS read-only memory systems | — | 1987-11-24 |