Inventor · disambiguated record
Katsuhira Yoshida
Also filed as: YOSHIDA KATSUHIRA
4 granted patents·2 pending applications·27 citations·filing 1987–2008
74Inventor score
Top patents by PatentIndex Score
6 records- 0182US7420065B2Hetero-polycyclic compounds, and coloring matters, pigments, dyes, color-changing material compositions, and color-changing films, made by using the compoundsIDEMITSU KOSAN CO·Filed 2004·Granted Sep 2, 2008·15 cites·3 claims
- 0268US7408072B2Heteropolycyclic compound and dyeUNIV KOCHI·Filed 2005·Granted Aug 5, 2008·3 cites·12 claims
- 0362US2009043116A1Hetero-polycyclic compounds, and coloring matters, pigments, dyes, color-changing material compositions, and color-changing films, made by using the compoundsIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 0455US2008290329A1Hetero-polycyclic compounds, and coloring matters, pigments, dyes, color-changing material compositions, and color-changing films, made by using the compoundsIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 0536US4873332AMetal-containing indoaniline compound and optical recording medium employing the compoundMITSUBISHI CHEM IND·Filed 1987·Granted Oct 10, 1989·5 cites·8 claims
- 0634US4990433AMetal-containing indoaniline compound and optical recording medium employing the compoundMITSUBISHI CHEM IND·Filed 1989·Granted Feb 5, 1991·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →