Inventor · disambiguated record
Hirofusa Shirai
Also filed as: SHIRAI HIROFUSA
10 granted patents·4 pending applications·61 citations·filing 1984–2016
88Inventor score
Files withSHIRAI HIROFUSA7SHINSHU TLO CO LTD2HIROFUSA SHIRAI & NISSHINBO IN1SANKYO SEIKI SEISAKUSHO KK1TAISHO PHARMACEUTICAL CO LTD1
Top patents by PatentIndex Score
14 records- 0164US5618930APhthalocyanine compound and method for making, nitro-substituted phthalocyanine compound, amino-substituted phthalocyanine compound, phthalocyanine-containing polymer and method for making, catalyst, and optical recording mediumSHIRAI HIROFUSA·Filed 1996·Granted Apr 8, 1997·7 cites·7 claims
- 0261US2017105920A1Cosmetic method using metal phthalocyanine derivativeSHIRAI HIROFUSA·Filed 2016·Application pending·0 cites
- 0358US5633370ANaphthalocyanine compounds, naphthalocyanine polymers and method for makingSHIRAI HIROFUSA·Filed 1994·Granted May 27, 1997·5 cites·3 claims
- 0458US2013178508A1Cosmetic compositionSHIRAI HIROFUSA·Filed 2011·Application pending·0 cites
- 0557US5053464APolyurethane containing metal phthalocyanine in the main chainHIROFUSA SHIRAI & NISSHINBO IN·Filed 1990·Granted Oct 1, 1991·13 cites·20 claims
- 0656US4663084AElectroconductive compositionsTDK CORP·Filed 1984·Granted May 5, 1987·15 cites·12 claims
- 0751US2009291934A1Method for decomposing an allergenSHINSHU TLO CO LTD·Filed 2009·Application pending·0 cites
- 0844US7196240B2Method and equipment for making polychlorobiphenyl nontoxicUEDA TEXTILE SCIENCE FOUNDATIO·Filed 2003·Granted Mar 27, 2007·2 cites·7 claims
- 0943US5776576APhthalaocyanine compound as a layer in optical recording mediumSHIRAI HIROFUSA·Filed 1996·Granted Jul 7, 1998·2 cites·3 claims
- 1042US5828795ASealing device for use in a motorSANKYO SEIKI SEISAKUSHO KK·Filed 1997·Granted Oct 27, 1998·9 cites·20 claims
- 1139US5922743APyridine derivativeTAISHO PHARMACEUTICAL CO LTD·Filed 1995·Granted Jul 13, 1999·2 cites·8 claims
- 1239US5516900APhthalocyanine compounds containing either a polymerizable vinyl group, a nitro group, or an amino groupSHIRAI HIROFUSA·Filed 1994·Granted May 14, 1996·3 cites·8 claims
- 1338US2008108593A1Allergen Decomposer and Antiallergenic FeathersSHINSHU TLO CO LTD·Filed 2004·Application pending·0 cites
- 1437US5763601ANaphthalocyanine compounds, naphthalocyanine polymers and method for makingSHIRAI HIROFUSA·Filed 1997·Granted Jun 9, 1998·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →