Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825074 | Image recording apparatus | — | 1989-04-25 |
| 4800275 | Heat-developing and transferring apparatus | Masayuki Shimizu | 1989-01-24 |
SY
Sumio Yoshikawa
Overall (1989): #15,231 of 140,708Top 15%
2
Patents 1989