Inventor
Wan Tim Chan
Inventor
Yuen Long, HK
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Kprimary
H03KPulse technique18%
A61BDiagnosis11%
H03HImpedance networks, e.g. resonant circuits7%
H03MCoding7%
H04BTransmission7%
H04NPictorial communication, e.g. television7%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general4%
G05FSystems for regulating electric or magnetic variables4%
H01LSemiconductor devices4%
H02HEmergency protective circuit arrangements4%
PatentTitleYear
11,081,571Structure and formation method of semiconductor device structure with a dummy fin structure202110,756,719Analog switch for transmitting high voltage signals without utilizing high voltage power supplies202010,637,358Current control circuit202010,469,043Class AB common-source amplifier with constant transconductance201910,468,869High voltage transmit / receive switch and voltage detection circuit201910,171,072Optimized CMOS analog switch20198,937,565'Impedance matched transmission circuit with analog-to-digital converter'20158,269,656'Impedance matched transmission circuit with analog-to-digital converter'20128,193,839'Multi-level transmitter circuit having substantially constant impedance output'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2015Patents assigned to CHAN WAN TIM (3)· patent assignee history
2012–2015Patents assigned to HO KA WAI (3)· patent assignee history
2012–2015Patents assigned to KO ISAAC TERASUTH (3)· patent assignee history
2012–2015Patents assigned to SUPERTEX INC (3)· patent assignee history
2012–2020Based in Yuen Long, HK· patent location history
2015Based in New Territories, HK· patent location history
2019–2020Patents assigned to MICROCHIP TECH INC (4)· patent assignee history
2020Based in Hong Kong, CN· patent location history
2021Based in Zhubei, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MICROCHIP TECH INC | 4 | 2019–2020 |
| CHAN WAN TIMself | 3 | 2012–2015 |
| HO KA WAI | 3 | 2012–2015 |
| KO ISAAC TERASUTH | 3 | 2012–2015 |
| SUPERTEX INC | 3 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yuen Long, HK | 6 | 2012–2020 |
| Zhubei, TW | 1 | 2021 |
| Hong Kong, CN | 1 | 2020 |
| New Territories, HK | 1 | 2015 |