Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6677797 | Semiconductor integrated circuit | Atsushi Kameyama, Tsuneaki Fuse, Masako Yoshida | 2004-01-13 |
| 6545909 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Toru Tanzawa, Ken Takeuchi | 2003-04-08 |
| 6466054 | Level converter circuit | Atsushi Kameyama, Tsuneaki Fuse, Masako Yoshida | 2002-10-15 |
| 6363010 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Toru Tanzawa, Ken Takeuchi | 2002-03-26 |
| 6349395 | Configurable integrated circuit and method of testing the same | Masako Yoshida, Yukihito Oowaki, Hiroshige Fujii, Masatoshi Sekine | 2002-02-19 |
| 6327654 | Semiconductor integrated circuit for cryptographic process and encryption algorithm alternating method | Yukihito Oowaki, Hiroshige Fujii, Hideo Shimizu, Takehisa Kato, Naoki Endo +3 more | 2001-12-04 |
| 6282117 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Toru Tanzawa, Ken Takeuchi | 2001-08-28 |
| 6198687 | Semiconductor memory device having a plurality of transfer gates and improved word line and column select timing for high speed write operations | Koji Sakui, Fujio Masuoka | 2001-03-06 |
| 6081454 | Electrically erasable programmable read-only memory with threshold value controller for data programming | Tomoharu Tanaka, Yoshihisa Iwata, Yasuo Itoh, Masaki Momodomi, Fujio Masuoka | 2000-06-27 |
| 6044013 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Toru Tanzawa, Ken Takeuchi | 2000-03-28 |
| 5969985 | Nonvolatile semiconductor memory device | Tomoharu Tanaka, Toru Tanzawa, Ken Takeuchi | 1999-10-19 |
| 5933380 | Semiconductor memory device having a multilayered bitline structure with respective wiring layers for reading and writing data | Kenji Tsuchida, Yukihito Oowaki | 1999-08-03 |
| 5933436 | Error correction/detection circuit and semiconductor memory device using the same | Toru Tanzawa, Tomoharu Tanaka, Riichiro Shirota | 1999-08-03 |
| 5831903 | Electrically erasable programmable read-only memory with threshold value controller for data programming and method of programming the same | Tomoharu Tanaka, Yoshihisa Iwata, Yasuo Itoh, Masaki Momodomi, Fujio Masuoka | 1998-11-03 |
| RE35838 | Electrically erasable programmable read-only memory with NAND cell structure | Masaki Momodomi, Fujio Masuoka, Riichiro Shirota, Yasuo Itoh, Ryouhei Kirisawa | 1998-07-07 |
| 5740112 | Sense amplifier for use in an EEPROM | Tomoharu Tanaka, Yoshiyuki Tanaka, Masaki Momodomi, Yoshihisa Iwata, Koji Sakui +2 more | 1998-04-14 |
| 5657270 | Electrically erasable programmable read-only memory with threshold value controller for data programming | Tomoharu Tanaka, Yoshihisa Iwata, Yasuo Itoh, Masaki Momodomi, Fujio Masuoka | 1997-08-12 |
| 5602789 | Electrically erasable and programmable non-volatile and multi-level memory systemn with write-verify controller | Tetsuo Endoh, Riichiro Shirota, Ryouhei Kirisawa, Seiichi Aritome, Tomoharu Tanaka +1 more | 1997-02-11 |
| 5596543 | Semiconductor memory device including circuitry for activating and deactivating a word line within a single RAS cycle | Koji Sakui, Fujio Masuoka | 1997-01-21 |
| 5555203 | Dynamic semiconductor memory device | Shinichiro Shiratake, Daisaburo Takashima | 1996-09-10 |
| 5523980 | Semiconductor memory device | Koji Sakui, Hiroshi Nakamura, Tomoharu Tanaka, Masaki Momodomi, Fujio Masuoka +1 more | 1996-06-04 |
| 5521865 | Non-volatile semiconductor memory device for storing multi-value data | Tomoharu Tanaka, Gertjan Hemink | 1996-05-28 |
| 5508957 | Non-volatile semiconductor memory with NAND cell structure and switching transistors with different channel lengths to reduce punch-through | Masaki Momodomi, Fujio Masuoka, Yasuo Itoh, Hiroshi Iwahashi, Yoshihisa Iwata +6 more | 1996-04-16 |
| 5477495 | Nonvolatile semiconductor memory apparatus | Yoshiyuki Tanaka, Tomoharu Tanaka, Koji Sakui, Hiroshi Nakamura, Hideko Oodaira +1 more | 1995-12-19 |
| 5469444 | Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels | Tetsuo Endoh, Riichiro Shirota, Ryouhei Kirisawa, Seiichi Aritome, Tomoharu Tanaka +1 more | 1995-11-21 |