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For the Inventor, By the Inventor

Rochester, MN, United States of America

David Michael Friend

USPTO Granted Patents = 28 

Average Co-Inventor Count = 3.9

ph-index = 5

Forward Citations = 131(Granted Patents)


Location History:

  • Rochester, MN (US) (2002 - 2019)
  • Stewartville, MN (US) (2018 - 2020)

Company Filing History:

goldMedal28 out of 164,197 
 
International Business Machines Corporation
 patents

Years Active: 2002-2025

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28 patents (USPTO):Explore Patents
1. 12500581 - Multi-phase clock generation circuit with digital calibration (2025-12-16),
2. 10804905 - Using a burn-in operational amplifier for a phased locked loop regulator (2020-10-13),
3. 10326450 - Implementing cascade level shifter for analog voltage (2019-06-18),
4. 10250267 - Differential phase-frequency detector (2019-04-02),
5. 10116260 - VCO selection and amplitude management using center tap inductor (2018-10-30),
6. 10088519 - Electromigration monitor (2018-10-02),
7. 9929722 - Wire capacitor for transmitting AC signals (2018-03-27),
8. 9923565 - Differential phase-frequency detector (2018-03-20),
9. 9882552 - Low power amplifier (2018-01-30),
10. 9871527 - Phase locked loop with sense amplifier circuitry (2018-01-16),
11. 9571109 - Voltage controlled oscillator runaway prevention (2017-02-14),
12. 9467092 - Phased locked loop with multiple voltage controlled oscillators (2016-10-11),
13. 9455730 - Voltage controlled oscillator runaway prevention (2016-09-27),
14. 9391623 - Voltage controlled oscillator runaway prevention (2016-07-12),
15. 9197225 - Control voltage mirror circuit (2015-11-24),

Title: The Innovative Journey of David Michael Friend

Introduction: David Michael Friend, a distinguished inventor hailing from Rochester, MN, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: David Michael Friend holds several patents in the areas of artificial intelligence, renewable energy, and medical devices, showcasing his versatility and ingenuity in various domains.

Career Highlights: With a career spanning over two decades, David Michael Friend has worked with renowned tech companies, leading research institutions, and universities, where he has spearheaded projects that have revolutionized the industry.

Collaborations: Throughout his career, David Michael Friend has collaborated with top-notch engineers, scientists, and researchers, fostering a culture of innovation and excellence that has led to the development of cutting-edge technologies.

Conclusion: David Michael Friend's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his position as a visionary inventor in the realm of technology.

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