Inventor · disambiguated record
Sadayasu Ishikawa
Also filed as: ISHIKAWA SADAYASU
18 granted patents·85 citations·filing 1988–2002
93Inventor score
Technology areasG03C
Files withKONISHIROKU PHOTO IND18
Top patents by PatentIndex Score
18 records- 0185US5273871ASilver halide photographic emulsion and silver halide color photographic light-sensitive material incorporating itKONISHIROKU PHOTO IND·Filed 1991·Granted Dec 28, 1993·15 cites·14 claims
- 0284US6432626B1Silver halide emulsion and silver halide color photographic materialKONISHIROKU PHOTO IND·Filed 2000·Granted Aug 13, 2002·7 cites·13 claims
- 0380US6395464B1Silver halide emulsionKONISHIROKU PHOTO IND·Filed 2000·Granted May 28, 2002·6 cites·18 claims
- 0478US4963467ASilver halide photographic emulsionKONISHIROKU PHOTO IND·Filed 1988·Granted Oct 16, 1990·14 cites·12 claims
- 0574US5358842ASilver halide photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1993·Granted Oct 25, 1994·9 cites·9 claims
- 0669US5906914ASilver halide light sensitive photographic materialKONISHIROKU PHOTO IND·Filed 1998·Granted May 25, 1999·7 cites·7 claims
- 0766US5460936ASilver halide photographic emulsion and silver halide photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1994·Granted Oct 24, 1995·6 cites·10 claims
- 0864US5362618ASilver halide photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1993·Granted Nov 8, 1994·6 cites·8 claims
- 0961US6245498B1Silver halide emulsionKONISHIROKU PHOTO IND·Filed 1999·Granted Jun 12, 2001·3 cites·8 claims
- 1050US5744296ASilver halide color photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1996·Granted Apr 28, 1998·2 cites·12 claims
- 1149USH1594HSilver halide color photographic light-sensitive materialKONISHIROKU PHOTO IND·Filed 1993·Granted Sep 3, 1996·3 cites·7 claims
- 1249US5523202ASilver halide emulsion and process for its preparationKONISHIROKU PHOTO IND·Filed 1995·Granted Jun 4, 1996·2 cites·8 claims
- 1345US6623917B2Silver halide photographic emulsionKONISHIROKU PHOTO IND·Filed 2002·Granted Sep 23, 2003·0 cites·7 claims
- 1445US5372975ASilver halide photographic emulsionKONISHIROKU PHOTO IND·Filed 1993·Granted Dec 13, 1994·2 cites·12 claims
- 1543US6080537ASilver halide emulsion, preparation method thereof and silver halide photographic materialKONISHIROKU PHOTO IND·Filed 1999·Granted Jun 27, 2000·1 cites·24 claims
- 1642US6171738B1Method of preparing silver halide emulsionKONISHIROKU PHOTO IND·Filed 1998·Granted Jan 9, 2001·1 cites·11 claims
- 1738US5380640ASilver halide photographic emulsion and silver halide photographic light-sensitive material using the sameKONISHIROKU PHOTO IND·Filed 1994·Granted Jan 10, 1995·1 cites·4 claims
- 1833US6120980ASilver halide emulsion and silver halide color photographic material by use thereofKONISHIROKU PHOTO IND·Filed 1998·Granted Sep 19, 2000·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Sadayasu Ishikawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →