Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6156639 | Method for manufacturing contact structure | Tetsuhiro Fukao, Yoshihiro Kusumi, Nobuo Fujiwara, Shigenori Sakamori, Satoshi Iida | 2000-12-05 |
| 5468337 | Method of mending a defect in a phase shift pattern | — | 1995-11-21 |
| 4931897 | Method of manufacturing semiconductor capacitive element | Katsuhiro Tsukamoto, Masahiro Shimizu | 1990-06-05 |