Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429317 | Ink ejection head | Michio Umezawa, Osamu Naruse, Tatsuya Furukawa, Tamio Ohori, Sadao Kakeno | 1984-01-31 |
| 4417255 | Ink-jet printer | — | 1983-11-22 |
IF
Isokazu Furukawa
Overall (All Time): #2,356,435 of 4,157,543Top 60%
2
Patents All Time