Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841331 | Triboelectric charge application member for toner | Nobuhiro Nakayama, Yasuo Asahina, Hiroyuki Fushimi | 1989-06-20 |
YI
Yasuaki Iwamoto
Overall (1989): #42,146 of 140,708Top 30%
1
Patents 1989