Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953129 | Nonvolatile semiconductor memory device capable of reliably writing data and a data writing method therefor | Kazuo Kobayashi, Takeshi Nakayama | 1990-08-28 |
| 4933906 | Non-volatile semiconductor memory device | Takeshi Nakayama, Kazuo Kobayashi | 1990-06-12 |
| 4903236 | Nonvolatile semiconductor memory device and a writing method therefor | Takeshi Nakayama, Kazuo Kobayashi | 1990-02-20 |
| 4858194 | Nonvolatile semiconductor memory device using source of a single supply voltage | Takeshi Nakayama, Kazuo Kobayashi | 1989-08-15 |
| 4813018 | Nonvolatile semiconductor memory device | Kazuo Kobayashi, Takeshi Nakayama | 1989-03-14 |
| 4811294 | Data integrity verifying circuit for electrically erasable and programmable read only memory (EEPROM) | Kazuo Kobayashi, Takeshi Nakayama | 1989-03-07 |
| 4805151 | Nonvolatile semiconductor memory device | Takeshi Nakayama, Kazuo Kobayashi, Kenji Noguchi | 1989-02-14 |
| 4760556 | Nonvolatile semiconductor memory device | Mikio Deguchi, Kazuyasu Fujishima | 1988-07-26 |
| 4733371 | Semiconductor memory device with high voltage switch | Takeshi Nakayama, Kazuo Kobayashi | 1988-03-22 |
| 4725983 | Nonvolatile semiconductor memory device | — | 1988-02-16 |
| 4694314 | Semiconductor device | Takeshi Nakayama | 1987-09-15 |
| 4691216 | Semiconductor memory device | Takeshi Nakayama | 1987-09-01 |