Pui-In Mak

This inventor holds 26 USPTO granted patents and 1 published patent application, primarily in Digital Microfluidics. Top assignee: University of Macau. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Pui-In Mak. Retrieved from https://idiyas.com/inventor/pui-in-mak

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 26 (Patent Applications = 1)

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 72(Granted Patents)

Location History:

Macao, CN (2009)
Macau, CN (2011 - 2022)

Company Filing History:

26 out of 77

University of Macau

patents

Years Active: 2009-2025

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Areas of Expertise:

Nucleic Acid Amplification

Polymerase Chain Reaction

Wireless Charging

Digital Microfluidics

Droplet Velocity

Electrode Voltage

RF Receiver

Current-Reuse

Transconductance Filter

Programmable Gain Array

Frequency Compensation

Wideband Amplifier

26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12385084 - Enhancing agent and kit for enhancing nucleic acid amplification reaction and method for performing nucleic acid amplification reaction (2025-08-12),

2. 11517904 - Digital microfluidics for polymerase chain reaction (2022-12-06),

3. 11201503 - Wireless charging circuit and system (2021-12-14),

4. 10756643 - Flipping-capacitor rectifier circuit (2020-08-25),

5. 10436726 - Palm-size μNMR relaxometer using a digital microfluidic (DMF) device and a semiconductor transceiver for chemical/biological diagnosis (2019-10-08),

6. 10016759 - Cooperative-electrode driving technique for droplet-velocity improvement of digital microfluidic systems (2018-07-10),

7. 9808800 - Electrode-voltage waveform for droplet-velocity and chip-lifetime improvements of digital microfluidic systems (2017-11-07),

8. 9751083 - Electronic module for real-time droplet-position sensing and driving in digital microfluidic system (2017-09-05),

9. 9680448 - Gain-boosted n-path passive-mixer-first receiver with a single mixing step (2017-06-13),

10. 9673781 - Radio-frequency-to-baseband function-reuse receiver with shared amplifiers for common-mode and differential-mode amplification (2017-06-06),

11. 9479140 - Complex-pole load offering concurrent image rejection and channel selection (2016-10-25),

12. 9444431 - Ultra-low-voltage current-reuse voltage-controlled oscillator and transconductance-capacitor filter (2016-09-13),

13. 9374063 - Gain-boosted N-path bandpass filter (2016-06-21),

14. 9356636 - RF-to-BB-current-reuse wideband receiver with parallel N-path active/passive mixers (2016-05-31),

15. 9306540 - IF-noise-shaping transistorized current-mode lowpass filter utilizing cross coupled transistors (2016-04-05),

Title: Innovations of Pui-In Mak: Advancements in Microfluidics and Wireless Power Transmission

Introduction: Pui-In Mak, an innovative inventor based in Macau, CN, has made significant contributions to the fields of microfluidics and wireless power transmission, holding a remarkable 25 patents. His work has prioritized efficiency and functionality, addressing contemporary challenges in technology.

Latest Patents: Among his latest inventions is the "Digital microfluidics for polymerase chain reaction," which features a digital microfluidic device that facilitates rapid polymerase chain reaction (PCR). This device includes an enclosed chamber for containing PCR mixture droplets, equipped with dual heaters to ensure consistent heating and improved efficiency. This innovation allows for quick and homogeneous heating of droplets, significantly reducing heating voltage and reaction time while also averting dielectric layer breakdown during thermal cycles. Another notable patent is the "Wireless charging circuit and system," which illustrates a wireless power transmission circuit capable of delivering power to variable resistance loads. This circuit, comprising a switch-controlled capacitor and a semi-active rectifier, innovates power transmission by matching load impedance to coil impedance, enhancing the efficacy of wireless charging systems.

Career Highlights: Pui-In Mak has cultivated his expertise through his work at the University of Macau. His academic contributions have not only fostered advancements in his research fields but also supported the cultivation of new ideas and technologies within the academic community.

Collaborations: Throughout his career, Pui-In has collaborated with notable coworkers, such as Rui Paulo Da Silva Martins and Zhicheng Lin. These partnerships have further propelled his innovative works, underlining the importance of collaborative efforts in academic and technological advancements.

Conclusion: Pui-In Mak stands as a prominent figure in the realm of innovations and patents, particularly in the areas of microfluidics and wireless power. His groundbreaking inventions and collaborative spirit continue to inspire new technological developments, showcasing the immense potential of innovation in addressing modern challenges.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent pending: