Inventor · disambiguated record
Takeshi Utagawa
Also filed as: UTAGAWA TAKESHI
5 granted patents·39 citations·filing 2005–2013
78Inventor score
Top patents by PatentIndex Score
5 records- 0187US8537288B2Projector comprising an expanding and contracting member having a temperature coefficient that counters the increase and decrease of a focal distance of a projection lens caused by temperature changesHAYASHI DAISUKE·Filed 2010·Granted Sep 17, 2013·8 cites·11 claims
- 0284US8879007B2Projector comprising an expanding and contracting member configured to move a holding device when a temperature is changedSEIKO EPSON CORP·Filed 2013·Granted Nov 4, 2014·5 cites·10 claims
- 0371USD558252SLamp for projectorSEIKO EPSON CORP·Filed 2005·Granted Dec 25, 2007·20 cites·1 claims
- 0470US7631973B2ProjectorSEIKO EPSON CORP·Filed 2006·Granted Dec 15, 2009·4 cites·4 claims
- 0562US7922332B2Compensation element adjustment mechanism and projectorSEIKO EPSON CORP·Filed 2008·Granted Apr 12, 2011·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →