Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806160 | Metallizing composition | Kenichi Shimizu, Satoshi Tanaka | 1989-02-21 |
YH
Yoichi Hagiwara
Overall (1989): #41,301 of 140,708Top 30%
1
Patents 1989