Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648277 | Method of manufacturing a semiconductor device | Hongyong Zhang, Yasuhiko Takemura | 1997-07-15 |
| 5620906 | Method for producing semiconductor device by introducing hydrogen ions | Hongyong Zhang, Satoshi Teramoto, Hideto Ohnuma | 1997-04-15 |
| 5612250 | Method for manufacturing a semiconductor device using a catalyst | Hisashi Ohtani, Akiharu Miyanaga, Hongyong Zhang, Atsunori Suzuki | 1997-03-18 |
| 5605846 | Method for manufacturing semiconductor device | Hisahi Ohtani, Akiharu Miyanaga, Hongyong Zhang | 1997-02-25 |