Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689285 | Method for developing electrostatic image using magnetic brush and one component magnetic toner | Yasuhito Yuasa, Kazumasa Hayashi, Koreaki Nakata | 1987-08-25 |
AO
Akihiro Okuma
Overall (All Time): #3,980,842 of 4,157,543Top 100%
1
Patents All Time