Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825252 | Color zoom copying apparatus | Minoru Suzuki | 1989-04-25 |
| 4813773 | Copying zoom lens | — | 1989-03-21 |
NM
Nobutaka Minefuji
Seiko Epson: 27 patents #582 of 7,774Top 8%
Pentax: 19 patents #83 of 761Top 15%
Pentax: 4 patents #113 of 396Top 30%
Asahi Kogaku Kogyo K.K.: 2 patents #47 of 180Top 30%
Overall (All Time): #50,011 of 4,157,543Top 2%
52
Patents All Time