Inventor
Ronald Thomas Keen
Inventor
Indianapolis, IN, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television50%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data12%
B04BCentrifuges6%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes6%
H02JElectric power networks6%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%
H01QAntennas, i.e. radio aerials3%
H03MCoding3%
LOC243%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
PatentTitleYear
10,374,527Regenerative braking system201910,332,620Universal application integrator20199,246,432'Regenerative braking safety system and method of use'20168,624,980'Apparatus and method for indicating the detected degree of motion in video'2014D0679409'Centrifuge'20138,314,886'System and method for providing electrostatic discharge (ESD) protection and electromagnetic interference (EMI) protection'20128,069,055'Predictive scheduling for procedure medicine'20118,015,032'Broadcasting medical image objects with digital rights management'20117,995,792'Parental monitoring method using periodic image sampling'20117,574,452'Transactional storage and workflow routing for medical image objects'20097,126,645'Back-porch clamp'20067,106,385'Apparatus and method for reducing the visual effects of artifacts present in a line scanned video display'20066,982,765'Minimizing video disturbance during switching transients and signal absence'20066,967,691'Color difference signal processing'20056,947,099'Automatic chroma control circuit with controlled saturation reduction'20056,177,962'Apparatus and method for preventing oversaturation of chrominance signals'20016,002,447'Video signal processing apparatus'19995,907,369'Television system for displaying main and auxiliary images with color error correction provisions'19995,619,276'Adjustable video/raster phasing for horizontal deflection system'19975,339,114'Television receiver with luminance signal clamped offset and re-clamped prior to contrast control for preventing black level changes with contrast control changes when displaying luminance signals having elevated black level'19945,241,375'Chrominance noise reduction apparatus employing two-dimensional recursive filtering of multiplexed baseband color difference components'19935,237,398'Color difference signal matrix and buffer circuit for television apparatus'19934,660,085'Television receiver responsive to plural video signals'19874,660,084'Television receiver with selectable video input signals'19874,612,577'Video signal processor with selective clamp'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1987Patents assigned to RCA CORP (3)· patent assignee history
1986–1987Based in Marion, IN, US· patent location history
1993–1999Patents assigned to THOMSON CONSUMER ELECTRONICS (6)· patent assignee history
1993–2019Based in Indianapolis, IN, US· patent location history
2005–2014Patents assigned to THOMSON LICENSING (6)· patent assignee history
2009–2011Patents assigned to GEN ELECTRIC (3)· patent assignee history
2009–2019Based in Shelburne, VT, US· patent location history
2011Based in Shelbourne, VT, US· patent location history
2013–2019Patents assigned to BECKMAN COULTER INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| THOMSON CONSUMER ELECTRONICS | 6 | 1993–1999 |
| THOMSON LICENSING | 6 | 2005–2014 |
| BECKMAN COULTER INC | 3 | 2013–2019 |
| GEN ELECTRIC | 3 | 2009–2011 |
| RCA CORP | 3 | 1986–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Indianapolis, IN, US | 18 | 1993–2019 |
| Marion, IN, US | 3 | 1986–1987 |
| Shelburne, VT, US | 2 | 2009–2019 |
| Shelbourne, VT, US | 2 | 2011 |