Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846938 | Method of manufacturing a porous electroformed object | Yuichi Tazaki, Akira Ichikawa, Daijyu Yoshino, Akira Soyama | 1989-07-11 |
OI
Osamu Ishigami
Overall (1989): #71,961 of 140,708Top 55%
1
Patents 1989