Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840865 | Liquid developer for electrostatic photography | Eiichi Kato, Shigeyuki Dan, Hiroshi Ishibashi, Kazuo Ishii | 1989-06-20 |
HS
Hidefuji Sera
Overall (1989): #104,206 of 140,708Top 75%
1
Patents 1989