Inventor · disambiguated record
Shinji Yoshinaka
Also filed as: YOSHINAKA SHINJI
6 granted patents·34 citations·filing 1984–1989
80Inventor score
Files withSHIN NISSO KAKO CO LTD6
Top patents by PatentIndex Score
6 records- 0180US4568766A4-Hydroxy-4'-isopropoxydiphenylsulfone and its use for color-developable recording materialSHIN NISSO KAKO CO LTD·Filed 1984·Granted Feb 4, 1986·18 cites·2 claims
- 0269US4616239A4-hydroxy-4'-isopropoxydiphenylsulfone and its use for color-developable recording materialSHIN NISSO KAKO CO LTD·Filed 1985·Granted Oct 7, 1986·8 cites·13 claims
- 0339US4695640AAddition compound of fluoran compounds and ketoneSHIN NISSO KAKO CO LTD·Filed 1985·Granted Sep 22, 1987·1 cites·1 claims
- 0438US4826806AFluoran compounds and color forming recording materials using sameSHIN NISSO KAKO CO LTD·Filed 1987·Granted May 2, 1989·3 cites·10 claims
- 0532US4954631AFluoran compounds and color forming recording materials using sameSHIN NISSO KAKO CO LTD·Filed 1989·Granted Sep 4, 1990·4 cites·13 claims
- 0627US4794069ASpirobenzanthracene phthalide compounds, processes for preparing same and color forming recording materials containing said compoundsSHIN NISSO KAKO CO LTD·Filed 1987·Granted Dec 27, 1988·0 cites·19 claims
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