Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4449838 | Ink ribbon cassette for printer | Yasushi Okamura, Norihide Sato | 1984-05-22 |
| 4195844 | Audiovisual card reproducing device | Yasushi Okamura | 1980-04-01 |
HM
Harukazu Manabe
Overall (All Time): #2,358,138 of 4,157,543Top 60%
2
Patents All Time