Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7923754 | Bipolar transistor | Tohru Yamamoto, Masashi Ishida | 2011-04-12 |
| 6919274 | LSI device etching method and apparatus thereof | Hideyuki Kazumi, Tsuyoshi Yoshida, Eiji Ikegami, Kouichi Nakaune, Masamichi Sakaguchi +1 more | 2005-07-19 |
| 6424052 | Alignment mark for electron beam lithography | Hiroo Hongo | 2002-07-23 |
| 5656515 | Method of making high-speed double-heterostructure bipolar transistor devices | S. Chandrasekhar, Andrew G. Dentai | 1997-08-12 |
| 5625206 | High-speed double-heterostructure bipolar transistor devices | S. Chandrasekhar, Andrew G. Dentai | 1997-04-29 |
| 5436096 | Method of manufacturing X-ray exposure mask | Kazuhito Furuya | 1995-07-25 |
| 5364717 | Method of manufacturing X-ray exposure mask | Kazuhito Furuya | 1994-11-15 |