Inventor
Thomas MacElwee
Inventor
Nepean, CA
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices17%
H05BElectric heating15%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
H01LSemiconductor devices9%
H10HInorganic light-emitting semiconductor devices having potential barriers9%
B82YSpecific uses or applications of nanostructures7%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%
H10BElectronic memory devices4%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications4%
PatentTitleYear
10,985,259GaN HEMT device structure and method of fabrication202110,796,998Embedded packaging for high voltage, high temperature operation of power semiconductor devices202010,283,501GaN-on-Si semiconductor device structures for high current/ high voltage lateral GaN transistors and methods of fabrication thereof201910,249,506GaN-on-si semiconductor device structures for high current/ high voltage lateral GaN transistors and methods of fabrication thereof20198,232,611'High quality gate dielectric for semiconductor devices and method of formation thereof'20128,198,638'Light emitting device structure and process for fabrication thereof'20128,093,604'Engineered structure for solid-state light emitters'20128,089,080'Engineered structure for high brightness solid-state light emitters'20127,923,925'Light emitting device with a stopper layer structure'20117,888,686'Pixel structure for a solid state light emitting device'20117,839,467'Color Tuneable electroluminescent devices'20107,800,117'Pixel structure for a solid state light emitting device'20107,679,102'Carbon passivation in solid-state light emitters'20107,616,272'Electroluminescent films for backlighting liquid crystal displays'20095,703,980'Method for low-loss insertion of an optical signal from an optical fibre to a waveguide integrated on to a semiconductor wafer'19975,296,726'High value resistive load for an integrated circuit'19944,804,633'Silicon-on-insulator substrates annealed in polysilicon tube'19894,680,609'Structure and fabrication of vertically integrated CMOS logic gates'19874,651,408'Fabrication of stacked MOS devices utilizing lateral seeding and a plurality of separate implants at different energies'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1994Patents assigned to NORTHERN TELECOM LTD (4)· patent assignee history
1987–1989Based in Ottawa, CA· patent location history
1994–2021Based in Nepean, CA· patent location history
2009–2012Patents assigned to GROUP IV SEMICONDUCTOR INC (10)· patent assignee history
2012Patents assigned to MACELWEE THOMAS (4)· patent assignee history
2012Patents assigned to CALDER IAIN (2)· patent assignee history
2019–2021Patents assigned to GAN SYSTEMS INC (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GROUP IV SEMICONDUCTOR INC | 10 | 2009–2012 |
| GAN SYSTEMS INC | 4 | 2019–2021 |
| MACELWEE THOMASself | 4 | 2012 |
| NORTHERN TELECOM LTD | 4 | 1987–1994 |
| CALDER IAIN | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nepean, CA | 16 | 1994–2021 |
| Ottawa, CA | 3 | 1987–1989 |