Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |