Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621243 | Semiconductor device having thermal stress resistance structure | Hisanori Okamura, Masahiko Sakamoto, Hirosi Akiyama, Ryuichi Saito, Yoshihiko Koike +4 more | 1997-04-15 |