Inventor · disambiguated record
Katsuhiko Heki
Also filed as: HEKI KATSUHIKO
9 granted patents·1 pending application·41 citations·filing 1991–2008
84Inventor score
Top patents by PatentIndex Score
10 records- 0185US7803292B2Optical film, optical film manufacturing method and optical film manufacturing deviceKONICA MINOLTA OPTO INC·Filed 2006·Granted Sep 28, 2010·19 cites·13 claims
- 0271US5374512ASilver halide photographic emulsionKONISHIROKU PHOTO IND·Filed 1993·Granted Dec 20, 1994·8 cites·4 claims
- 0365US6558891B2Silver halide emulsionKONISHIROKU PHOTO IND·Filed 2001·Granted May 6, 2003·2 cites·11 claims
- 0464US6479226B2Silver halide color photographic light sensitive materialKONISHIROKU PHOTO IND·Filed 2001·Granted Nov 12, 2002·2 cites·14 claims
- 0562US5591570ALight-sensitive silver halide photographic emulsion, silver halide photographic light sensitive material and method for processing silver halide photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1995·Granted Jan 7, 1997·5 cites·7 claims
- 0650US5258269ASilver halide color photographic light sensitive material stored in roll and the photographic unit thereforKONISHIROKU PHOTO IND·Filed 1991·Granted Nov 2, 1993·3 cites·10 claims
- 0748US2009239001A1Optical film and method for production thereofKONICA MINOLTA OPTO INC·Filed 2007·Application pending·0 cites
- 0845US9034223B2Optical film and process for producing the sameHEKI KATSUHIKO·Filed 2008·Granted May 19, 2015·0 cites·4 claims
- 0940US5478720ASilver halide photographic emulsion and silver halide photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1994·Granted Dec 26, 1995·2 cites·13 claims
- 1028USH1300HSilver halide light sensitive color photographic materialKONISHIROKU PHOTO IND·Filed 1992·Granted Apr 5, 1994·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →