Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831961 | Magnetic liquid application method and apparatus | Naoyoshi Chino, Yasunori Tanaka, Yasuhito Hiraki | 1989-05-23 |
KF
Kenichi Fukumura
Overall (1989): #88,903 of 140,708Top 65%
1
Patents 1989