Inventor · disambiguated record
Yuko Kawamura
Also filed as: KAWAMURA YUKO
4 granted patents·225 citations·filing 1996–2014
80Inventor score
Top patents by PatentIndex Score
4 records- 0192US5914193APhotochromic plastic lens and its method of manufactureNIKON CORP·Filed 1997·Granted Jun 22, 1999·95 cites·31 claims
- 0289US5830578AColored plastic lens and method of manufacturing thereforNIKON CORP·Filed 1996·Granted Nov 3, 1998·94 cites·25 claims
- 0372US6027816AColored plastic lens and method of manufacture thereforNIKON CORP·Filed 1998·Granted Feb 22, 2000·35 cites·19 claims
- 0463US10025117B2Functional dyed spectacle lensNIKON ESSILOR CO LTD·Filed 2014·Granted Jul 17, 2018·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →