Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6137156 | Semiconductor device employing silicon nitride layers with varied hydrogen concentration | Yuji Ichikawa, Yasushi Tanaka, Yasuo Souki, Ryouichi Kubokoya, Akira Kuroyanagi | 2000-10-24 |
| 5714408 | Method of forming silicon nitride with varied hydrogen concentration | Yuji Ichikawa, Yasushi Tanaka, Yasuo Souki, Ryouichi Kubokoya, Akira Kuroyanagi | 1998-02-03 |
| 5408112 | Semiconductor strain sensor having improved resistance to bonding strain effects | Akira Tai, Toshitaka Yamada, Yoshinori Fujihashi, Tsuyoshi Fukada, Yoshimi Yoshino +1 more | 1995-04-18 |
| 4867561 | Apparatus for optically detecting an extraneous matter on a translucent shield | Tetsuo Fujii, Tiaki Mizuno, Tadashi Kamada, Yasuaki Makino, Yoshimi Yoshino +1 more | 1989-09-19 |
| 4829822 | Semiconductor accelerometer | Masahito Imai, Toshitaka Yamada, Tiaki Mizuno | 1989-05-16 |