Lennart Karl Mathe

This inventor holds 25 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 6 EPO patents, primarily in Analog Circuit Design. Top assignees: Qualcomm Incorporated, Telefonaktiebolaget Lm Ericsson (Publ), Other. Active years: 2001-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Lennart Karl Mathe. Retrieved from https://idiyas.com/inventor/lennart-karl-mathe

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

USPTO Granted Patents = 25 (Patent Applications = 2)

% Patents Active = 80.0

CIPO Patents = 1

EPO Patents = 6 (Patent Applications = 7)

Average Co-Inventor Count = 2.4

ph-index = 8

Forward Citations = 473(Granted Patents)

Company Filing History:

17 out of 45,002

Qualcomm Incorporated

patents

7 out of 27,041

Telefonaktiebolaget Lm Ericsson (Publ)

patents

1 out of 834,570

Other

patents

Years Active: 2001-2020

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Areas of Expertise:

Hybrid Capacitive Sensing

Analog-to-Digital Conversion

Low-Voltage Power-Efficient

Wideband Amplifier

Bias Generation

Signal Amplification

Discrete Time Circuits

Spur Attenuation

Programmable Digital Filter

Clock Generation

Peak-to-Average Power Ratio

Communication Signal

25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10733409 - Hybrid capacitive and ultrasonic sensing (2020-08-04),

2. 10503196 - Bias generation and distribution for a large array of sensors (2019-12-10),

3. 10353511 - Capacitance-to-voltage modulation circuit (2019-07-16),

4. 10235552 - Hybrid capacitive and ultrasonic sensing (2019-03-19),

5. 8698558 - Low-voltage power-efficient envelope tracker (2014-04-15),

6. 8564346 - Non-overlapping clock generation (2013-10-22),

7. 8300680 - Apparatus and method for dynamic scaling of ADC sampling rate to avoid receiver interference (2012-10-30),

8. 8289074 - Discrete time operational transconductance amplifier for switched capacitor circuits (2012-10-16),

9. 8169243 - Techniques for non-overlapping clock generation (2012-05-01),

10. 8144042 - Combinatorial circuit with shorter delay when inputs arrive sequentially and delta sigma modulator using the combinatorial circuit (2012-03-27),

11. 8140026 - All-digital selectable duty cycle generation (2012-03-20),

12. 7965134 - Spur attenuation devices, systems, and methods (2011-06-21),

13. 7898453 - Apparatus and method for successive approximation analog-to-digital conversion (2011-03-01),

14. 7266354 - Reducing the peak-to-average power ratio of a communication signal (2007-09-04),

15. 7068984 - Systems and methods for amplification of a communication signal (2006-06-27),

Title: Innovations and Contributions of Lennart Karl Mathe

Introduction

Lennart Karl Mathe, based in San Diego, California, is a prolific inventor known for his significant contributions to the field of sensor technology. With an impressive portfolio of 25 patents, Mathe has demonstrated a strong commitment to advancing innovative solutions in the industry.

Latest Patents

Among his recent innovations, Mathe's patents encompass cutting-edge systems and methods for fingerprint sensing. One notable patent focuses on a hybrid capacitive and ultrasonic sensing system, where a fingerprint sensor can be configured to operate in both modes. This technology allows for enhanced detection of objects positioned on or near the sensing electrode. By utilizing a controller, the system can shift between capacitive and ultrasonic sensing modes, facilitating accurate fingerprint authentication. In practical applications, this advancement enables mobile devices to unlock or wake up upon successful fingerprint recognition.

Another significant patent by Mathe addresses bias generation and distribution for large arrays of sensors. This patent involves a carefully designed bias generation circuit that utilizes NMOS and PMOS transistors to maintain reliable connections within an array of sensors. Such innovations are critical for improving the performance and efficiency of sensor systems.

Career Highlights

Lennart Karl Mathe has acquired valuable experience while working for notable companies, including Qualcomm Incorporated and Telefonaktiebolaget LM Ericsson. His career has been marked by a relentless pursuit of innovation in technology, particularly in the realm of sensor applications.

Collaborations

Throughout his career, Mathe has collaborated with esteemed colleagues such as Walter Haley and Thomas Domenick Marra. These partnerships have been instrumental in driving forward various research and development projects, enriching Mathe's inventive journey.

Conclusion

Lennart Karl Mathe continues to make a remarkable impact in the field of sensor technology through his innovative patents and collaborative spirit. His work exemplifies the power of invention in enhancing the functionality of devices, paving the way for the future of fingerprint sensing and beyond.

Profile summary based on public USPTO records.