Inventor
Norman A. Sanford
Inventor
Boulder, CO, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus25%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein22%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light17%
C03CChemical composition of glasses, glazes or vitreous enamels14%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
H01JElectric discharge tubes or discharge lamps6%
B82YSpecific uses or applications of nanostructures3%
G01QScanning-probe techniques or apparatus3%
H05GX-ray technique3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
10,153,144Imaging spectrometer20189,899,197'Hybrid extreme ultraviolet imaging spectrometer'20188,484,756'Tip-mounted nanowire light source instrumentation'20137,050,470'Optical waveguides on glass substrates and lasers formed therefrom'20066,970,494'Rare-earth doped phosphate-glass lasers and associated methods'20056,430,349'High-power waveguide lasers'20026,381,392'Ion exchange technology for fabrication of waveguide source lasers'2002H0001848'Z-propagating waveguide laser and amplifier device in rare-earth-doped LiNbO.sub.3'20005,491,708'Integrated optic laser'19964,925,263'Proton-exchanged waveguides for sum-frequency generation'19904,887,878'Optical modulation device'19894,791,388'Channel waveguide modulator'19884,776,656'TE-TM mode converter'19884,775,208'Planar waveguide mode converter device'19884,695,121'Integrated optic resonant structres and fabrication method'19874,607,909'Method for modulating a carrier wave'19864,607,916'Apparatus for controlling the rotation of the plane of linear polarization of linearly polarized radiant energy traversing an element of chromium chalcogenide spinel magnetic semiconductor with elliptically polarized radiant energy'19864,547,262'Method for forming thin film passive light waveguide circuit'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Based in Worcester, MA, US· patent location history
1986–1990Patents assigned to POLAROID CORP (7)· patent assignee history
1986Patents assigned to GTE LABORATORIES INC (1)· patent assignee history
1986–1989Based in Arlington, MA, US· patent location history
1987–1990Based in Stillriver, MA, US· patent location history
1996–2018Based in Boulder, CO, US· patent location history
2002–2018Patents assigned to US COMMERCE (6)· patent assignee history
2013Patents assigned to BERTNESS KRISTINE A (1)· patent assignee history
2018Patents assigned to COLORADO SCHOOL OF MINES (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POLAROID CORP | 7 | 1986–1990 |
| US COMMERCE | 6 | 2002–2018 |
| BERTNESS KRISTINE A | 1 | 2013 |
| COLORADO SCHOOL OF MINES | 1 | 2018 |
| GTE LABORATORIES INC | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boulder, CO, US | 9 | 1996–2018 |
| Stillriver, Massachusetts, US | 5 | 1987–1990 |
| Arlington, Massachusetts, US | 3 | 1986–1989 |
| Worcester, Massachusetts, US | 1 | 1985 |