Inventor · Tokyo, JP

Tsunao Magara

5Patents
2h-index
11Co-inventors
44Inventor score

Filing activity: Apr 3, 1986 → Feb 26, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US5972929A Quinazolinone derivative, hair growth promoter and external composition for skin using the same Human Necessities 2 Expired
US4666929A Anthranilic acid ester derivatives and antiinflammatory and analgetic external preparations containing the same Chemistry; Metallurgy 2 Expired
US5973000A Hair revitalization tonic composition containing a lipid derivative and use thereof Human Necessities 1 Expired
US6177067A Hair revitalizing tonic composition containing a 2,2-dimethylpropanediol compound and use thereof Human Necessities 1 Expired
US6174885A [6-(substituted-methyl)-3-cyclohexenyl] formamide derivative, hair growth promoter and external composition for skin Chemistry; Metallurgy 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.