Inventor · disambiguated record
Hidefumi Iwasa
Also filed as: IWASA HIDEFUMI
9 granted patents·109 citations·filing 2007–2015
85Inventor score
Top patents by PatentIndex Score
9 records- 0195US9086537B2Laminated diffractive optical elementIWASA HIDEFUMI·Filed 2011·Granted Jul 21, 2015·48 cites·12 claims
- 0292US8120851B2Optical material and optical element, diffraction optical element, and stacked type diffraction optical element molded thereofIWASA HIDEFUMI·Filed 2007·Granted Feb 21, 2012·48 cites·4 claims
- 0375US9422414B2Organic-inorganic composite material, optical element, and multilayer diffractive optical elementIWASA HIDEFUMI·Filed 2012·Granted Aug 23, 2016·4 cites·17 claims
- 0473US8697791B2Optical material and optical elementIWASA HIDEFUMI·Filed 2009·Granted Apr 15, 2014·2 cites·10 claims
- 0564US8124324B2Laminated diffractive optical element and resin composition thereforIWASA HIDEFUMI·Filed 2009·Granted Feb 28, 2012·4 cites·4 claims
- 0663US8344094B2Optical material and optical elementCANON KK·Filed 2009·Granted Jan 1, 2013·3 cites·4 claims
- 0751US9383487B2Laminated diffractive optical elementCANON KK·Filed 2015·Granted Jul 5, 2016·0 cites·9 claims
- 0844US8804245B2Stacked diffraction optical element including an optical element made of organic-inorganic composite resin materialIWASA HIDEFUMI·Filed 2012·Granted Aug 12, 2014·0 cites·7 claims
- 0940US8614013B2Organic solvent dispersion, resin composition, and optical deviceIWASA HIDEFUMI·Filed 2010·Granted Dec 24, 2013·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →