Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646292 | Blowing agents of tetrazoles and their derivatives | Hideki Ogawa, Hiroaki Tanaka, Atsuhiro Onishi | 1997-07-08 |
| 5599743 | Method of manufacturing a semiconductor device | Youji Bitou | 1997-02-04 |