Inventor · disambiguated record
Yoshio Yamaoka
Also filed as: YAMAOKA YOSHIO
3 granted patents·34 citations·filing 1980–2003
70Inventor score
Top patents by PatentIndex Score
3 records- 0181US6656229B1Hair dye and hair-dyeing methods using the sameREAL CHEMICAL CO LTD·Filed 2000·Granted Dec 2, 2003·24 cites·16 claims
- 0268US6849096B2Hair dye and hair-dyeing methods using the sameREAL CHEMICAL CO LTD·Filed 2003·Granted Feb 1, 2005·4 cites·6 claims
- 0348US4366413ASecondary electron multiplication targetTOKYO SHIBAURA ELECTRIC CO·Filed 1980·Granted Dec 28, 1982·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →