Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872050 | Interconnection structure in semiconductor device and manufacturing method of the same | Tatsuo Okamoto, Hideo Kotani, Takio Oono, Kiyoto Watabe, Yoshikazu Nishikawa | 1989-10-03 |