Iwasa; Hidefumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Iwasa; Hidefumi.The latest application filed is for "laminated diffractive optical element".

Company Profile

0.14.11

Iwasa; Hidefumi - Yokohama JP
Iwasa; Hidefumi - Yokohama-shi JP
Iwasa; Hidefumi - Kawasaki N/A JP
Iwasa; Hidefumi - Kawasaki-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Organic-inorganic composite material, optical element, and multilayer diffractive optical element Grant 9,422,414 - Iwasa August 23, 2	2016-08-23
Laminated diffractive optical element Grant 9,383,487 - Iwasa , et al. July 5, 2	2016-07-05
Laminated Diffractive Optical Element App 20150268391 - Iwasa; Hidefumi ; et al.	2015-09-24
Laminated diffractive optical element Grant 9,086,537 - Iwasa , et al. July 21, 2	2015-07-21
Stacked diffraction optical element including an optical element made of organic-inorganic composite resin material Grant 8,804,245 - Iwasa , et al. August 12, 2	2014-08-12
Optical material and optical element Grant 8,697,791 - Iwasa April 15, 2	2014-04-15
Organic solvent dispersion, resin composition, and optical device Grant 8,614,013 - Iwasa , et al. December 24, 2	2013-12-24
Laminated Diffractive Optical Element App 20130235460 - Iwasa; Hidefumi ; et al.	2013-09-12
Organic-inorganic Composite Material, Optical Element, And Multilayer Diffractive Optical Element App 20130057956 - Iwasa; Hidefumi	2013-03-07
Optical material and optical element Grant 8,344,094 - Iwasa , et al. January 1, 2	2013-01-01
Organic-inorganic Composite Resin Composition, Organic-inorganic Composite Resin Material, Optical Element, And Stacked Diffraction Optical Element App 20120200925 - Iwasa; Hidefumi ; et al.	2012-08-09
Laminated diffractive optical element and resin composition therefor Grant 8,124,324 - Iwasa February 28, 2	2012-02-28
Optical material and optical element, diffraction optical element, and stacked type diffraction optical element molded thereof Grant 8,120,851 - Iwasa February 21, 2	2012-02-21
Organic Solvent Dispersion, Resin Composition, And Optical Device App 20120003502 - Iwasa; Hidefumi ; et al.	2012-01-05
Optical Material And Optical Element App 20100076138 - Iwasa; Hidefumi	2010-03-25
Optical Material And Optical Element App 20100076106 - Iwasa; Hidefumi ; et al.	2010-03-25
Laminated Diffractive Optical Element And Resin Composition Therefor App 20090190224 - Iwasa; Hidefumi	2009-07-30
Optical Material And Optical Element, Diffraction Optical Element, And Stacked Type Diffraction Optical Element Molded Thereof App 20080170295 - Iwasa; Hidefumi	2008-07-17

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