Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448989 | Image forming apparatus using digital light as image exposure means | Yasushi Shimizu, Gaku Konishi, Hiroshi Sato | 2002-09-10 |
| 6434054 | Non-volatile semiconductor memory device controlling the range of distribution of memory cell threshold voltages | Hitoshi Shiga, Toru Tanzawa | 2002-08-13 |
| 6410952 | MOSFET with a thin gate insulating film | Hisayo Momose, Hiroshi Iwai, Tatsuya Ohguro, Mizuki Ono, Takashi Yoshitomi +1 more | 2002-06-25 |
| 6351417 | Non-volatile semiconductor memory device having a function for controlling the range of distribution of memory cell threshold voltages and method of erasing data thereof | Hitoshi Shiga, Toru Tanzawa | 2002-02-26 |