Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841331 | Triboelectric charge application member for toner | Yasuo Asahina, Hiroyuki Fushimi, Yasuaki Iwamoto | 1989-06-20 |
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Nobuhiro Nakayama
Overall (1989): #72,690 of 140,708Top 55%
1
Patents 1989