Inventor
Matthew R. Witzman
Inventor
Santa Rosa, CA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification14%
G02BOptical elements, systems or apparatus13%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds11%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties11%
C09DCoating compositions, e.g. paints, varnishes or lacquers9%
B42DBooks8%
B41MPrinting, duplicating, marking, or copying processes5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B05DProcesses for applying fluent materials to surfaces, in general3%
B29CShaping or joining of plastics3%
PatentTitleYear
11,079,525Matched interference pigments or foils having viewing angle dependent mismatch202110,061,065Interference pigments or foils as separate structures having color match or mismatch depending on viewing angle20189,097,854'Optical device exhibiting color shift upon rotation'20158,498,033'Optical device exhibiting color shift upon rotation'20138,124,217'Structured surfaces that exhibit color by rotation'20128,105,678'Structured surfaces that exhibit color by rotation'20127,184,133'Automated verification systems and method for use with optical interference devices'20076,808,806'Methods for producing imaged coated articles by using magnetic pigments'20046,759,097'Methods for producing imaged coated articles by using magnetic pigments'20046,749,936'Achromatic multilayer diffractive pigments and foils'20046,367,414'Linear aperture deposition apparatus and coating process'20026,246,523'Methods of fabricating color shifting thin film pigments'20016,243,204'Color shifting thin film pigments'20016,236,510'Color shifting thin film pigments'20016,202,591'Linear aperture deposition apparatus and coating process'20016,157,489'Color shifting thin film pigments'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2004Patents assigned to FLEX PRODUCTS INC (9)· patent assignee history
2000–2004Based in Rohnert Park, CA, US· patent location history
2004–2015Based in Santa Rosa, CA, US· patent location history
2007–2015Patents assigned to JDS UNIPHASE CORP (5)· patent assignee history
2012Patents assigned to KURMAN ERIC WILLIAM (2)· patent assignee history
2012Patents assigned to PHILLIPS ROGER (2)· patent assignee history
2012Patents assigned to RAKSHA VLADIMIR P (2)· patent assignee history
2018Based in Windsor, CA, US· patent location history
2021Based in South Windsor, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FLEX PRODUCTS INC | 9 | 2000–2004 |
| JDS UNIPHASE CORP | 5 | 2007–2015 |
| KURMAN ERIC WILLIAM | 2 | 2012 |
| PHILLIPS ROGER | 2 | 2012 |
| RAKSHA VLADIMIR P | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Rosa, California, US | 7 | 2004–2015 |
| Rohnert Park, California, US | 7 | 2000–2004 |
| South Windsor, CT, US | 1 | 2021 |
| Windsor, California, US | 1 | 2018 |