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For the Inventor, By the Inventor

San Francisco, CA, United States of America

William Francis Leggett

This inventor holds 54 USPTO granted patents and 7 published patent applications and 3 EPO patents, primarily in Electronic Device Design (CPC class G06F). Top assignees: Apple Inc., Essential Products, Inc., Other. Active years: 1993-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William Francis Leggett. Retrieved from https://idiyas.com/inventor/william-francis-leggett

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

USPTO Granted Patents = 54 

% Patents Active = 74.1

 

Average Co-Inventor Count = 4.3

ph-index = 8

Forward Citations = 267(Granted Patents)

Forward Citations (Not Self Cited) = 245(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Azle, TX (US) (1993)
  • San Francisco, CA (US) (2012 - 2020)
  • Cupertino, CA (US) (2015 - 2021)
  • San Jose, CA (US) (2015 - 2022)

Company Filing History:

goldMedal48 out of 43,632 
 
Apple Inc.
 patents
silverMedal2 out of 106 
 
Essential Products, Inc.
 patents
bronzeMedal3 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2022

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Areas of Expertise:
Force-Sensitive Input
Dynamic Input Surface
Thermal Ducting
Solid State Drive
Interconnect Devices
Printed Circuit Board
Component Removal Systems
Magnetic Property Retention
Adaptive Processes
High-Frequency Communication
Electronic Device Housing
Fasteners
54 patents (USPTO):Explore Patents
1. 11360631 - Configurable force-sensitive input structure for electronic devices (2022-06-14),
2. 10983650 - Dynamic input surface for electronic devices (2021-04-20),
3. 10963117 - Configurable force-sensitive input structure for electronic devices (2021-03-30),
4. 10953433 - Method for smoothing substrate surface (2021-03-23),
5. 10795451 - Configurable force-sensitive input structure for electronic devices (2020-10-06),
6. 10664007 - Techniques for joining one or more structures of an electronic device (2020-05-26),
7. 10656719 - Dynamic input surface for electronic devices (2020-05-19),
8. 10649497 - Adaptive processes for improving integrity of surfaces (2020-05-12),
9. 10350634 - Method for smoothing substrate surface (2019-07-16),
10. 10348871 - Transmission stack for extremely high frequency wireless communication (2019-07-09),
11. 10271189 - Communication between devices and device accessories (2019-04-23),
12. 10228720 - Internal components of a portable computing device (2019-03-12),
13. 10162343 - Adaptive processes for improving integrity of surfaces (2018-12-25),
14. 10120409 - Techniques for joining one or more structures of an electronic device (2018-11-06),
15. 10054985 - Computer housing (2018-08-21),

Title: William Francis Leggett: Innovator in Electronic Device Technology

Introduction: William Francis Leggett, based in San Francisco, CA, is an accomplished inventor with an impressive portfolio of 53 patents. His innovations primarily focus on enhancing user interfaces for electronic devices, showcasing a blend of creativity and technical expertise.

Latest Patents: Leggett's latest inventions include two notable patents. The first, titled "Configurable force-sensitive input structure for electronic devices," describes a unique input structure featuring a metal contact layer, a sense layer beneath it, and a drive layer that is capacitively coupled to the sense layer. Additionally, it incorporates a compliant layer and a rigid base layer to improve functionality. The second patent, "Dynamic input surface for electronic devices," outlines a dynamic input surface with a partially-flexible metal contact that can be reconfigured. This invention allows the input area size to vary based on user gestures and features indicators that illuminate selectively, enhancing user experience.

Career Highlights: Throughout his career, Leggett has made significant contributions to technology companies, including Apple Inc. His work there has focused on advancing the design and functionality of electronic devices, reflecting his dedication to innovation in the tech industry.

Collaborations: Leggett has collaborated with notable professionals such as Ron Alan Hopkinson and Brett W Degner. These partnerships have fostered creativity and led to the development of cutting-edge technologies in the electronic device sector.

Conclusion: William Francis Leggett stands out as a prominent figure in the realm of electronic device innovation. With a robust patent portfolio, his contributions continue to shape the future of user interfaces and interaction within technology. His work, along with valuable collaborations, underscores the importance of innovation in enhancing everyday electronic experiences.

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]
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