Inventor
Jeffrey A. Hopwood
Inventor
Needham, MA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps31%
H05HPlasma technique27%
C23CCoating metallic material8%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
H01HElectric switches4%
H01LSemiconductor devices4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
9,647,414'Optically pumped micro-plasma'20179,460,884'Microplasma generating array'20169,006,972'Microplasma generator and methods therefor'20157,728,253'Nano-particle trap using a microplasma'20107,256,669'Method of preparing electrical contacts used in switches'20076,917,165'Low power plasma generator'20056,077,572'Method of coating edges with diamond-like carbon'20005,942,855'Monolithic miniaturized inductively coupled plasma source'19995,622,635'Method for enhanced inductive coupling to plasmas with reduced sputter contamination'19975,433,812'Apparatus for enhanced inductive coupling to plasmas with reduced sputter contamination'19955,280,154'Radio frequency induction plasma processing system utilizing a uniform field coil'19945,081,398'Resonant radio frequency wave coupler apparatus using higher modes'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Based in Haslett, MI, US· patent location history
1994–1997Patents assigned to IBM (3)· patent assignee history
1994–1997Based in Brewster, NY, US· patent location history
1999–2010Patents assigned to UNIV NORTHEASTERN (5)· patent assignee history
1999–2017Based in Needham, MA, US· patent location history
2015–2016Patents assigned to HOPWOOD JEFFREY A (2)· patent assignee history
2015–2016Patents assigned to TUFTS COLLEGE (2)· patent assignee history
2016Patents assigned to HOSKINSON ALAN R (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV NORTHEASTERN | 5 | 1999–2010 |
| IBM | 3 | 1994–1997 |
| HOPWOOD JEFFREY Aself | 2 | 2015–2016 |
| TUFTS COLLEGE | 2 | 2015–2016 |
| HOSKINSON ALAN R | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Needham, Massachusetts, US | 8 | 1999–2017 |
| Brewster, New York, US | 3 | 1994–1997 |
| Haslett, MI, US | 1 | 1992 |