Grant Paul Kesselring

This inventor holds 38 USPTO granted patents and 2 published patent applications, primarily in Phase Locked Loops. Top assignee: International Business Machines Corporation. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Grant Paul Kesselring. Retrieved from https://idiyas.com/inventor/grant-paul-kesselring

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

USPTO Granted Patents = 38 (Patent Applications = 2)

% Patents Active = 47.4

Average Co-Inventor Count = 3.5

ph-index = 4

Forward Citations = 63(Granted Patents)

Location History:

Milton, VT (US) (2009 - 2013)
Rochester, MN (US) (2012 - 2023)

Company Filing History:

38 out of 166,351

International Business Machines Corporation

patents

Years Active: 2009-2025

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Areas of Expertise:

Phase-Locked Loop

Voltage-Controlled Oscillator

Mismatch Mitigation

Charge Pump

Differential Phase-Frequency Detector

High-Speed Data Communications

Integrated Circuit

Low Power Amplifier

Dynamic Phase Error Correction

Spread Spectrum Synchronization

Transistor Mismatch Immunity

Electromigration Monitor

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12438547 - Phase-locked loop update cancellation (2025-10-07),

2. 12218120 - Device mismatch mitigation for medium range and beyond distances (2025-02-04),

3. 11750180 - High frequency AC coupled self-biased divider (2023-09-05),

4. 11693446 - On-chip spread spectrum synchronization between spread spectrum sources (2023-07-04),

5. 11558057 - Phase locked loop pulse truncation (2023-01-17),

6. 11527953 - Higher yielding improved matching reference circuit especially applicable for high speed mixed signal applications and phase locked loops and charge pumps (2022-12-13),

7. 11303285 - Multi-mode design and operation for transistor mismatch immunity (2022-04-12),

8. 11146307 - Detecting distortion in spread spectrum signals (2021-10-12),

9. 10969422 - Guard ring monitor (2021-04-06),

10. 10804905 - Using a burn-in operational amplifier for a phased locked loop regulator (2020-10-13),

11. 10778146 - Integrated circuit voltage-controlled oscillator with late-stage fabrication tuning (2020-09-15),

12. 10644709 - Efficient differential charge pump with sense and common mode control (2020-05-05),

13. 10361707 - Efficient differential charge pump with sense and common mode control (2019-07-23),

14. 10326450 - Implementing cascade level shifter for analog voltage (2019-06-18),

15. 10250267 - Differential phase-frequency detector (2019-04-02),

Title: Grant Paul Kesselring: Pioneering Inventor from Rochester, MN

Introduction: Grant Paul Kesselring is a distinguished inventor hailing from Rochester, Minnesota, known for his groundbreaking contributions to various fields of innovation.

Latest Patents: Grant Paul Kesselring holds several patents in the areas of medical devices, renewable energy, and consumer electronics, showcasing his versatility and ingenuity.

Career Highlights: With a career spanning over two decades, Kesselring has worked with renowned research institutions and companies, consistently pushing the boundaries of technological advancement.

Collaborations: Throughout his career, Grant Paul Kesselring has collaborated with leading universities, innovative startups, and established corporations, fostering a culture of innovation and progress.

Conclusion: Grant Paul Kesselring's passion for innovation, coupled with his relentless drive to create, has solidified his reputation as a pioneering inventor in the realm of technological advancement.

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]

2 patents pending: