Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663099 | Method for producing semiconductor device having alignment mark | Takahiko Okabe, Hiroshi Yuzurihara | 1997-09-02 |
| 5598037 | Semiconductor device with a contact member made of semiconductor material having a columnar structure | Shin Kikuchi, Mamoru Miyawaki, Hayao Ohzu, Shunsuke Inoue, Yoshio Nakamura +3 more | 1997-01-28 |