Inventor · disambiguated record
Akira Yumen
Also filed as: YUMEN AKIRA
2 granted patents·42 citations·filing 1985–1985
61Inventor score
Technology areasH04N
Files withDAINIPPON SCREEN MFG2
Top patents by PatentIndex Score
2 records- 0174US4646144AMethod and apparatus for reproducing color separation picture imageDAINIPPON SCREEN MFG·Filed 1985·Granted Feb 24, 1987·36 cites·15 claims
- 0235US4754325AMethod and apparatus for producing a color-separation film by recording at least one trimmed color-separation image and a masking region simultaneouslyDAINIPPON SCREEN MFG·Filed 1985·Granted Jun 28, 1988·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →