Inventor
John W. Graff
Inventor
Swampscott, MA, US
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers16%
H04NPictorial communication, e.g. television9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
H01JElectric discharge tubes or discharge lamps7%
H01LSemiconductor devices7%
G02BOptical elements, systems or apparatus6%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B82YSpecific uses or applications of nanostructures5%
PatentTitleYear
10,825,653Method of improving ion beam quality in an implant system202010,804,075Method of improving ion beam quality in an implant system202010,795,168Transmissive metasurface lens integration20209,524,849'Method of improving ion beam quality in an implant system'20169,190,548'Method of creating two dimensional doping patterns in solar cells'20159,034,743'Method for implant productivity enhancement'20158,993,373'Doping pattern for point contact solar cells'20158,912,082'Implant alignment through a mask'20148,895,325'System and method for aligning substrates for multiple implants'20148,697,559'Use of ion beam tails to manufacture a workpiece'20148,658,458'Patterned doping for polysilicon emitter solar cells'20148,378,290'Sensor calibration systems and methods for infrared cameras'20138,251,520'Optical display systems and methods'20128,217,415'Electronic device contact structures'20128,049,163'Calibration systems and methods for infrared cameras'20117,934,841'Optical display systems and methods'2011D0624029'LED package'20107,799,585'Light emitting device methods'2010D0623608'LED package'20107,737,450'Light emitting diode systems'2010D0606021'LED package'2009D0603352'LED package'20097,598,531'Electronic device contact structures'20097,535,645'Optical display systems and methods'20097,521,273'Light emitting device methods'20097,482,640'Electronic device contact structures'20097,450,311'Optical display systems and methods'2008D0576968'LED package'20087,344,903'Light emitting device processes'20087,341,880'Light emitting device processes'20087,274,043'Light emitting diode systems'20077,105,861'Electronic device contact structures'20067,083,993'Methods of making multi-layer light emitting devices'20067,074,631'Light emitting device methods'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2012Patents assigned to LUMINUS DEVICES INC (21)· patent assignee history
2006–2020Based in Swampscott, MA, US· patent location history
2006–2012Based in Brighton, MA, US· patent location history
2011–2013Based in Santa Barbara, CA, US· patent location history
2012–2014Patents assigned to GRAFF JOHN W (5)· patent assignee history
2013–2015Patents assigned to GRAFF JOHN (4)· patent assignee history
2014–2015Patents assigned to VARIAN SEMICONDUCTOR EQUIPMENT (7)· patent assignee history
2014Patents assigned to BATEMAN NICHOLAS P T (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUMINUS DEVICES INC | 21 | 2006–2012 |
| VARIAN SEMICONDUCTOR EQUIPMENT | 7 | 2014–2015 |
| GRAFF JOHN Wself | 5 | 2012–2014 |
| GRAFF JOHNself | 4 | 2013–2015 |
| BATEMAN NICHOLAS P T | 3 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Swampscott, Massachusetts, US | 24 | 2006–2020 |
| Brighton, Massachusetts, US | 8 | 2006–2012 |
| Santa Barbara, California, US | 2 | 2011–2013 |