Inventor · disambiguated record
Minoru Koguchi
Also filed as: KOGUCHI MINORU
3 granted patents·1 pending application·7 citations·filing 1987–2002
59Inventor score
Files withSHIN NISSO KAKO CO LTD3
Top patents by PatentIndex Score
4 records- 0138US4826806AFluoran compounds and color forming recording materials using sameSHIN NISSO KAKO CO LTD·Filed 1987·Granted May 2, 1989·3 cites·10 claims
- 0232US4954631AFluoran compounds and color forming recording materials using sameSHIN NISSO KAKO CO LTD·Filed 1989·Granted Sep 4, 1990·4 cites·13 claims
- 0331US2003131444A1Caster with ballFiled 2002·Application pending·0 cites
- 0427US4794069ASpirobenzanthracene 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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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →