Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625858 | Contact charging member, process for producing same and electrophotographic apparatus using same | Yoshihiro Hirai, Takashi Yamashita | 1997-04-29 |
MT
Masaaki Takenaka
Overall (1997): #106,548 of 185,788Top 60%
1
Patents 1997