Issued Patents All Time
Showing 126–148 of 148 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6069823 | Nonvolatile semiconductor memory device | Tomoharu Tanaka | 2000-05-30 |
| 6064591 | Memory system | Tomoharu Tanaka | 2000-05-16 |
| 6055188 | Nonvolatile semiconductor memory device having a data circuit for erasing and writing operations | Tomoharu Tanaka | 2000-04-25 |
| 6046935 | Semiconductor device and memory system | Tomoharu Tanaka | 2000-04-04 |
| 6046940 | Nonvolatile semiconductor memory device | Koji Sakui, Tomoharu Tanaka, Seiichi Aritome | 2000-04-04 |
| 6044013 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Kazunori Ohuchi, Toru Tanzawa | 2000-03-28 |
| 6028792 | Multi-level memory for verifying programming results | Tomoharu Tanaka | 2000-02-22 |
| 6005802 | Nonvolatile semiconductor memory device using a bit line potential raised by use of a coupling capacitor between bit lines | Tomoharu Tanaka, Hiroshi Nakamura | 1999-12-21 |
| 5986933 | Semiconductor memory device having variable number of selected cell pages and subcell arrays | Tomoharu Tanaka | 1999-11-16 |
| 5969985 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Kazunori Ohuchi, Toru Tanzawa | 1999-10-19 |
| 5940321 | Nonvolatile semiconductor memory device | Koji Sakui, Tomoharu Tanaka, Seiichi Aritome | 1999-08-17 |
| 5920507 | Nonvolatile semiconductor memory device | Tomoharu Tanaka | 1999-07-06 |
| 5909398 | Semiconductor memory device and high-voltage switching circuit | Toru Tanzawa, Tomoharu Tanaka | 1999-06-01 |
| 5905691 | Semiconductor memory | Toru Tanzawa, Tomoharu Tanaka | 1999-05-18 |
| 5903495 | Semiconductor device and memory system | Tomoharu Tanaka | 1999-05-11 |
| 5864504 | Nonvolatile semiconductor memory with temperature compensation for read/verify referencing scheme | Toru Tanzawa, Tomoharu Tanaka | 1999-01-26 |
| 5844841 | Memory system | Tomoharu Tanaka | 1998-12-01 |
| 5828621 | Semiconductor memory device and high-voltage switching circuit | Toru Tanzawa, Tomoharu Tanaka | 1998-10-27 |
| 5781478 | Nonvolatile semiconductor memory device | Tomoharu Tanaka | 1998-07-14 |
| 5708606 | Semiconductor memory device and high-voltage switching circuit | Toru Tanzawa, Tomoharu Tanaka | 1998-01-13 |
| 5698879 | Nonvolatile semiconductor memory device | Seiichi Aritome, Tomoharu Tanaka | 1997-12-16 |
| 5680347 | Nonvolatile semiconductor memory device | Koji Sakui, Tomoharu Tanaka, Seiichi Aritome | 1997-10-21 |
| 5623100 | Ultrasonic inspection and imaging intstrument | Yukio Arima, Toshihiro Kimura, Yuichi Kunitomo, Tadatoshi Shimamura, Takeshi Nishiduka | 1997-04-22 |