Inventor · disambiguated record
Yoshio Hatakawa
Also filed as: HATAKAWA YOSHIO
7 granted patents·140 citations·filing 1987–1990
86Inventor score
Files withDAI ICHI KOGYO SEIYAKU CO LTD7
Top patents by PatentIndex Score
7 records- 0178US4996309AProcess for preparing sucrose fatty acid ester powderDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1989·Granted Feb 26, 1991·27 cites·23 claims
- 0277US4762862AProcess for preparing high molecular weight acrylic polymersDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1987·Granted Aug 9, 1988·45 cites·10 claims
- 0376US5011922AProcess for purifying sucrose fatty acid estersDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1989·Granted Apr 30, 1991·23 cites·25 claims
- 0474US4995911AProcess for recovering unreacted sucrose from reaction mixture in synthesis of sucrose fatty acid estersDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1989·Granted Feb 26, 1991·21 cites·10 claims
- 0570US5017697AProcess for purifying sucrose fatty acid esters having high HLBDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1989·Granted May 21, 1991·17 cites·25 claims
- 0644US5008387AProcess for purifying sucrose fatty acid estersDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1989·Granted Apr 16, 1991·4 cites·19 claims
- 0741US5144022AMethod of producing powdery high hlb sugar fatty acid esterDAI ICHI KOGYO SEIYAKU CO LTD·Filed 1990·Granted Sep 1, 1992·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →