Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841331 | Triboelectric charge application member for toner | Nobuhiro Nakayama, Hiroyuki Fushimi, Yasuaki Iwamoto | 1989-06-20 |
YA
Yasuo Asahina
Overall (1989): #42,299 of 140,708Top 35%
1
Patents 1989