Inventor · disambiguated record
Youhei Nakagawa
Also filed as: NAKAGAWA YOUHEI
15 granted patents·5 pending applications·64 citations·filing 2003–2023
91Inventor score
Top patents by PatentIndex Score
20 records- 0187US7474476B2Optical lens, compound lens and method for producing the same, as well as cemented lens and method for producing the sameSANYO ELECTRIC CO·Filed 2007·Granted Jan 6, 2009·17 cites·6 claims
- 0279US7558008B2Photographing lens unit including plurality of lenses and imaging apparatus with the sameSANYO ELECTRIC CO·Filed 2008·Granted Jul 7, 2009·6 cites·10 claims
- 0378US7916405B2Imaging lens unit, imaging device, and portable terminalSANYO ELECTRIC CO·Filed 2008·Granted Mar 29, 2011·11 cites·5 claims
- 0468US7181121B2Optical device and method for manufacturing the sameSANYO ELECTRIC CO·Filed 2004·Granted Feb 20, 2007·10 cites·15 claims
- 0562US7483616B2Optical waveguideSANYO ELECTRIC CO·Filed 2007·Granted Jan 27, 2009·2 cites·3 claims
- 0661US7901784B2Optical waveguide, optical transmitter and receiver module, and laminated structureSANYO ELECTRIC CO·Filed 2006·Granted Mar 8, 2011·2 cites·14 claims
- 0759US7599120B2Composite lens, manufacturing method for composite lens, and lens moduleSANYO ELECTRIC CO·Filed 2005·Granted Oct 6, 2009·2 cites·12 claims
- 0859US7521725B2Optical waveguide and the method of fabricating the sameSANYO ELECTRIC CO·Filed 2005·Granted Apr 21, 2009·2 cites·8 claims
- 0958US7396873B2Organometallic polymer material and process for preparing the sameSANYO ELECTRIC CO·Filed 2004·Granted Jul 8, 2008·3 cites·21 claims
- 1058US7054070B2Gradient-index lens and composite optical element utilizing the sameSANYO ELECTRIC CO·Filed 2004·Granted May 30, 2006·5 cites·20 claims
- 1154US2023249389A1Polyester-Based Sealant FilmMITSUBISHI CHEM CORP·Filed 2023·Application pending·0 cites
- 1252US8189275B2Lens unit and image capturing deviceNAKAGAWA YOUHEI·Filed 2009·Granted May 29, 2012·1 cites·13 claims
- 1352US8000040B2Imaging lens, manufacturing method thereof, and compound lensSANYO ELECTRIC CO·Filed 2008·Granted Aug 16, 2011·1 cites·17 claims
- 1450US7561774B2Optical waveguideSANYO ELECTRIC CO·Filed 2004·Granted Jul 14, 2009·2 cites·13 claims
- 1547US2007007675A1Method of manufacturing compound optical element and compound optical element moduleSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 1645US8102607B2Lens unit and image capturing deviceNAKAGAWA YOUHEI·Filed 2009·Granted Jan 24, 2012·0 cites·5 claims
- 1745US2005207723A1Optical waveguideSANYO ELECTRIC CO·Filed 2005·Application pending·0 cites
- 1844US8320057B2Lens unit and image capturing deviceNAKAGAWA YOUHEI·Filed 2009·Granted Nov 27, 2012·0 cites·6 claims
- 1940US2009029117A1Composite lensSANYO ELECTRIC CO·Filed 2008·Application pending·0 cites
- 2040US2003228120A1Optical waveguide, optical transmitter and receiver module, and laminated structureFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →