Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495465 | Method for appraising the condition of a semiconductor polishing cloth | Yuichi Nakayoshi | 2002-12-17 |
| 6496411 | Non-volatile multi-level semiconductor flash memory device and method of driving same | Hiroshi Sato, Tetsuya Tsujikawa, Kazuyuki Miyazawa | 2002-12-17 |
| 6461484 | Sputtering device | Kamikura Yo, Terushige Takeyama, Shuji Kumagai | 2002-10-08 |
| 6335878 | Non-volatile multi-level semiconductor flash memory device and method of driving same | Hiroshi Sato, Tetsuya Tsujikawa, Kazuyuki Miyazawa | 2002-01-01 |