Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698880 | Semiconductor device having a groove with a curved part formed on its side surface | Mitsuhiro Kataoka, Tsuyoshi Yamamoto, Yuuichi Takeuchi, Norihito Tokura | 1997-12-16 |
| 5670790 | Electronic device | Riichi Katoh, Tetsufumi Tanamoto | 1997-09-23 |
| 5640387 | Digital loop carrier apparatus for large volume digital signal transmission | Tsuyoshi Ueshima, Kazuo Tanaka, Eiji Shimose | 1997-06-17 |