Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7719106 | Semiconductor device, electronic card and pad rearrangement substrate | Minori Kajimoto, Osamu Ikeda | 2010-05-18 |
| 7268424 | Semiconductor device, electronic card and pad rearrangement substrate | Minori Kajimoto, Osamu Ikeda | 2007-09-11 |
| 7253509 | Semiconductor device, electronic card and pad rearrangement substrate | Minori Kajimoto, Osamu Ikeda | 2007-08-07 |
| 7248493 | Memory system having improved random write performance | Daisaburo Takashima, Shuso Fujii, Takuya Futatsuyama, Takaya Suda | 2007-07-24 |
| 7139201 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 2006-11-21 |
| 7095102 | Pad rearrangement substrate | Minori Kajimoto, Osamu Ikeda | 2006-08-22 |
| 6967892 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 2005-11-22 |
| 6781895 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 2004-08-24 |
| 6172911 | Non-volatile semiconductor memory device with an improved verify voltage generator | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 2001-01-09 |
| 6151249 | NAND-type EEPROM having bit lines and source lines commonly coupled through enhancement and depletion transistors | Riichiro Shirota | 2000-11-21 |
| 6081454 | Electrically erasable programmable read-only memory with threshold value controller for data programming | Kazunori Ohuchi, Tomoharu Tanaka, Yoshihisa Iwata, Yasuo Itoh, Fujio Masuoka | 2000-06-27 |
| 5978265 | Non-volatile semiconductor memory device with nand type memory cell arrays | Ryouhei Kirisawa, Riichiro Shirota, Ryozo Nakayama, Seiichi Aritome, Yasuo Itoh +1 more | 1999-11-02 |
| 5909399 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1999-06-01 |
| 5831903 | Electrically erasable programmable read-only memory with threshold value controller for data programming and method of programming the same | Kazunori Ohuchi, Tomoharu Tanaka, Yoshihisa Iwata, Yasuo Itoh, Fujio Masuoka | 1998-11-03 |
| 5818791 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1998-10-06 |
| 5793696 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1998-08-11 |
| RE35838 | Electrically erasable programmable read-only memory with NAND cell structure | Fujio Masuoka, Riichiro Shirota, Yasuo Itoh, Kazunori Ohuchi, Ryouhei Kirisawa | 1998-07-07 |
| 5768195 | Semiconductor memory device | Hiroshi Nakamura, Yoshihisa Iwata, Ryouhei Kirisawa | 1998-06-16 |
| 5740112 | Sense amplifier for use in an EEPROM | Tomoharu Tanaka, Yoshiyuki Tanaka, Kazunori Ohuchi, Yoshihisa Iwata, Koji Sakui +2 more | 1998-04-14 |
| 5724300 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1998-03-03 |
| 5657270 | Electrically erasable programmable read-only memory with threshold value controller for data programming | Kazunori Ohuchi, Tomoharu Tanaka, Yoshihisa Iwata, Yasuo Itoh, Fujio Masuoka | 1997-08-12 |
| 5615165 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1997-03-25 |
| 5615163 | Semiconductor memory device | Koji Sakui, Hiroshi Nakamura, Tomoharu Tanaka, Fujio Masuoka, Takehiro Hasegawa | 1997-03-25 |
| 5591999 | Electrically erasable programmable read only memory device with an improved memory cell pattern layout | Junichi Miyamoto, Toshiharu Watanabe | 1997-01-07 |
| 5546351 | Non-volatile semiconductor memory device and memory system using the same | Tomoharu Tanaka, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka, Riichiro Shirota +8 more | 1996-08-13 |