Inventor · disambiguated record
Hirotsugu Segawa
Also filed as: SEGAWA HIROTSUGU
3 granted patents·29 citations·filing 1987–1997
67Inventor score
Top patents by PatentIndex Score
3 records- 0157US5053051AMeans and method for the oxidative dyeing, especially the redyeing, of living hair: micro-encapsulated acidGOLDWELL GMBH·Filed 1988·Granted Oct 1, 1991·22 cites·9 claims
- 0234US5046515APermanent shaping agent for human hair and the method for the permanent shaping of human hairGOLDWELL GMBH·Filed 1987·Granted Sep 10, 1991·6 cites·6 claims
- 0320US5993794APerming agent and method of treating hair with the sameTAKARA BELMONT·Filed 1997·Granted Nov 30, 1999·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →