Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811585 | Device for forming asymmetrical articles by rolling | Ryoichi Takahashi, Tomoyoshi Sato, Kazuo Morimoto, Nobutaka Maeda | 1989-03-14 |
HT
Hidehiko Tsukamoto
Mitsubishi Mining: 1 patents #32 of 234Top 15%
Overall (1989): #103,783 of 140,708Top 75%
1
Patents 1989