Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849791 | Waste toner collecting system | Takahiro Fukunaga, Kozo Takahashi, Shoichiro Yoshiura | 1989-07-18 |
HH
Hideaki Hagihara
Overall (1989): #105,601 of 140,708Top 80%
1
Patents 1989