Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822707 | Positively chargeable toners for use in dry type electrophotography comprising a blue dye lake charge control agent | Satoru Inoue | 1989-04-18 |
AM
Akio Matsui
Overall (1989): #134,619 of 140,708Top 100%
1
Patents 1989