Inventor · disambiguated record
Yuichirou Usuda
Also filed as: USUDA YUICHIROU
4 granted patents·15 citations·filing 2002–2009
69Inventor score
Technology areasG03B
Top patents by PatentIndex Score
4 records- 0163US6726381B2Focal-plane shutter for camerasNIDEC COPAL CORP·Filed 2002·Granted Apr 27, 2004·7 cites·15 claims
- 0261US7431517B2Focal plane shutter for camerasNIDEC COPAL CORP·Filed 2005·Granted Oct 7, 2008·2 cites·8 claims
- 0358US7178998B2Focal plane shutter for digital still camerasNIDEC COPAL CORP·Filed 2004·Granted Feb 20, 2007·5 cites·15 claims
- 0451US8511836B2Diaphragm apparatus for projectorsUSUDA YUICHIROU·Filed 2009·Granted Aug 20, 2013·1 cites·20 claims
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