Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462373 | Nonvolatile semiconductor memory device having tapered portion on side wall of charge accumulation layer | Kazuhiro Shimizu, Riichiro Shirota, Naoki Koido, Seiichi Aritome, Hiroaki Tsunoda +3 more | 2002-10-08 |
| 5885905 | Semiconductor substrate and method of processing the same | Souichi Nadahara, Kikuo Yamabe, Hideyuki Kobayashi, Akihito Yamamoto, Naohiko Yasuhisa | 1999-03-23 |
| 5502010 | Method for heat treating a semiconductor substrate to reduce defects | Souichi Nadahara, Kikuo Yamabe, Hideyuki Kobayashi, Akihito Yamamoto, Naohiko Yasuhisa | 1996-03-26 |