Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424743 | Printing device of type ring selection system | Yoshihiro Kobata, Osamu Asakura, Tatsuo Nishikawa | 1984-01-10 |
KO
Kozo Okubo
Overall (All Time): #4,027,647 of 4,157,543Top 100%
1
Patents All Time