Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698892 | Image pickup element and image pickup device having scribe lines composed of two portions with different layer structure | Yoshio Koide | 1997-12-16 |
| 5661329 | Semiconductor integrated circuit device including an improved separating groove arrangement | Toshiro Hiramoto, Nobuo Tamba, Masami Usami, Takahide Ikeda, Kazuo Tanaka +3 more | 1997-08-26 |
| 5616944 | Diode and semiconductor device having a controlled intrinsic or low impurity concentration region between opposite conductivity type semiconductor regions | Hidemasa Mizutani | 1997-04-01 |