Inventor
Jimes Lei
Inventor
Milpitas, CA, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
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 systems21%
H03KPulse technique14%
G01SRadio direction-finding11%
A61BDiagnosis7%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
H05BElectric heating7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general4%
G02BOptical elements, systems or apparatus4%
G05FSystems for regulating electric or magnetic variables4%
PatentTitleYear
10,756,719Analog switch for transmitting high voltage signals without utilizing high voltage power supplies20209,975,145Pulse amplitude controlled current source for ultrasound transmit beamformer and method thereof20189,401,659'High voltage analog switch'20169,225,253'High voltage switching linear amplifier and method therefor'20158,749,294'Low pin count high voltage ultrasound transmitter and method therefor'20148,577,021'5 ringer equivalent number (REN) ringer circuit using a high voltage level translator and a source follower buffer and method therefor'20138,254,073'High voltage transmit/receive switch and method therefor'20127,813,048'Inductorless electroactive lens driver and system'20107,564,263'High-speed logic signal level shifter'20097,554,272'Low noise electroluminescent lamp (EL) driver and method therefor'20097,480,191'High speed logic level shifter'20096,710,773'Inductorless method and apparatus for driving electroluminescent panels'20046,555,967'Low noise method and apparatus for driving electroluminescent panels'20036,169,391'Device for converting high voltage alternating current to low voltage direct current'20015,815,383'High voltage start-up circuit and method therefor'19985,729,418'High voltage current limiting protection circuit and method therefor'19985,640,317'High voltage start-up circuit and method therefor'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2001Based in San Jose, CA, US· patent location history
1998–2014Patents assigned to SUPERTEX INC (12)· patent assignee history
1998–2020Based in Milpitas, CA, US· patent location history
2012–2016Patents assigned to LEI JIMES (4)· patent assignee history
2012Patents assigned to CHOY BENEDICT C K (1)· patent assignee history
2015–2020Patents assigned to MICROCHIP TECH INC (3)· patent assignee history
2016Patents assigned to MONOLITHIC POWER SYSTEMS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUPERTEX INC | 12 | 1998–2014 |
| LEI JIMESself | 4 | 2012–2016 |
| MICROCHIP TECH INC | 3 | 2015–2020 |
| CHOY BENEDICT C K | 1 | 2012 |
| MONOLITHIC POWER SYSTEMS INC | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Milpitas, California, US | 14 | 1998–2020 |
| San Jose, California, US | 3 | 1997–2001 |