Inventor
Eric Shen
Inventor
Scarborough, NY, US
Overview
17→
Patents
1998–2019
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating30%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications27%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems7%
G06FElectric digital data processing5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
A47CChairs2%
A61BDiagnosis2%
G01BMeasuring length, thickness or similar linear dimensions2%
G01SRadio direction-finding2%
PatentTitleYear
10,481,781Presence, access, and seen state for local copies of shared content items201910,376,063Integrated lumbar and head tilt assembly201910,274,916System for optimising workflow for efficient on-site data collection and determination of energy analysis and method of operation thereof20199,733,336'System for local error compensation in electromagnetic tracking systems'20176,870,324'Method for color mixing with arc stability and straightening of HID lamps operated at high frequencies using duty cycle modulation'20056,670,779'High power factor electronic ballast with lossless switching'20036,642,706'Detection of asymmetrical load in an AC circuit'20036,577,078'Electronic ballast with lamp run-up current regulation'20036,573,664'High efficiency high power factor electronic ballast'20036,534,933'High power factor electronic ballast with load dependent bus voltage regulation'20036,504,313'Ignition scheme for electronic HID ballast'20036,498,441'Method for coloring mixing of hid lamps operated at VHF frequencies using duty cycle modulation'20026,278,245'Buck-boost function type electronic ballast with bus capacitor current sensing'20016,271,633'High power factor electronic ballast with fully differential circuit topology'20016,225,755'High power factor electronic ballast with simplified circuit topology'20015,917,290'Parallel-storage series-drive electronic ballast'19995,789,871'Series-capacitor electronic ballast'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–1999Patents assigned to MASSACHUSETTS INST TECHNOLOGY (2)· patent assignee history
1998Based in Franklin Lakes, NJ, US· patent location history
1999–2005Based in Scarborough, NY, US· patent location history
2001Patents assigned to PHILIPS ELECTRONICS NA (3)· patent assignee history
2002–2005Patents assigned to KONINKL PHILIPS ELECTRONICS NV (8)· patent assignee history
2017Patents assigned to KONINKLIJKE PHILIPS NV (1)· patent assignee history
2017–2019Based in Croton-on-Hudson, NY, US· patent location history
2019Patents assigned to DROPBOX INC (1)· patent assignee history
2019Based in New York, NY, US· patent location history
2019Based in Jiaxing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONINKL PHILIPS ELECTRONICS NV | 8 | 2002–2005 |
| PHILIPS ELECTRONICS NA | 3 | 2001 |
| MASSACHUSETTS INST TECHNOLOGY | 2 | 1998–1999 |
| DROPBOX INC | 1 | 2019 |
| KONINKLIJKE PHILIPS NV | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Scarborough, New York, US | 12 | 1999–2005 |
| Croton-on-Hudson, New York, US | 2 | 2017–2019 |
| New York, New York, US | 1 | 2019 |
| Jiaxing, CN | 1 | 2019 |
| Franklin Lakes, New Jersey, US | 1 | 1998 |