Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849317 | Magnetic brush developer for electrophotography | Katsuji Ebisu, Tsuneo Watanuki, Yoshimichi Katagiri, Takahiro Kashikawa, Toshiaki Narusawa | 1989-07-18 |
NS
Norio Sawatari
Overall (1989): #72,509 of 140,708Top 55%
1
Patents 1989