David Paul Yach

This inventor holds 158 USPTO granted patents and 18 published patent applications, plus 67 CIPO patents and 48 EPO patents, primarily in Wireless Communication (CPC class H04L63-0428). Top assignees: Research in Motion Corporation, Blackberry Corporation, Sybase, Inc.. Active years: 1999-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Paul Yach. Retrieved from https://idiyas.com/inventor/david-paul-yach

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

Calculating rank

USPTO Granted Patents = 158 (Patent Applications = 18)

% Patents Active = 81.6

CIPO Patents = 67 (Patent Applications = 4)

EPO Patents = 48 (Patent Applications = 34)

Average Co-Inventor Count = 2.7

ph-index = 24

Forward Citations = 2,843(Granted Patents)

Forward Citations (Not Self Cited) = 2,746(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

79 out of 4,495

Research in Motion Corporation

patents

76 out of 5,919

Blackberry Corporation

2236008 Ontario Limited

patents

5. 1 out of 834,601

Other

patents

where one patent can have more than one assignee

Years Active: 1999-2021

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Areas of Expertise:

Code Signing

Mobile Communication

Secure Control

Voice Operations

Graphical User Interface

Document Transmission

Wireless Messaging

Access Control

Handheld Devices

Navigation Commands

Email Settings

Event Mapping

158 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11030278 - Code signing system and method (2021-06-08),

2. 11019196 - Advanced voice and data operations in a mobile data communication device (2021-05-25),

3. 10999282 - System and method for secure control of resources of wireless mobile communication devices (2021-05-04),

4. 10514838 - Displaying items on handheld devices (2019-12-24),

5. 10437967 - Code signing system and method (2019-10-08),

6. 10419600 - Advanced voice and data operations in a mobile data communication device (2019-09-17),

7. 10331299 - Method and handheld electronic device having a graphical user interface which arranges icons dynamically (2019-06-25),

8. 10298584 - System and method for secure control of resources of wireless mobile communication devices (2019-05-21),

9. 10079912 - Wireless communication system installation (2018-09-18),

10. 10032007 - Controlling access by code (2018-07-24),

11. 10015168 - System and method for secure control of resources of wireless mobile communication devices (2018-07-03),

12. 9998466 - System and method for secure control of resources of wireless mobile communication devices (2018-06-12),

13. 9922175 - Controlling access by code (2018-03-20),

14. 9785318 - Screen display in application switching (2017-10-10),

15. 9766718 - Electronic device and method of displaying information in response to input (2017-09-19),

Title: David Paul Yach: A Pioneer in Mobile Technology

Introduction:

David Paul Yach is a renowned innovator in the field of mobile technology. Hailing from Waterloo, CA, Yach has revolutionized the way we interact with our mobile devices through his numerous patents and ground-breaking inventions. With a remarkable 157 patents to his name, Yach has left an indelible mark on the industry.

Latest Patents:

Among Yach's recent patents, two stand out as significant contributions to the mobile technology landscape.

1. Code signing system and method:

Yach's code signing system and method provide enhanced security and authorization for accessing specific application programming interfaces (APIs). This innovation utilizes digital signatures, ensuring that code from a requestor is authorized to access the desired APIs. The implementation of this technology adds an extra layer of protection against potential security risks.

2. Advanced voice and data operations in a mobile data communication device:

Yach's invention allows for seamless integration of voice and data operations within a single mobile device. By wearing an earphone or ear-bud, users can handle voice conversations while simultaneously working with data-centric information related to the current caller. This innovation opens a new realm of possibilities, enabling data events to trigger corresponding voice events.

Career Highlights:

Yach's career has been highlighted by his tenure at two prominent companies in the mobile technology industry. He has made significant contributions during his time at Research in Motion Corporation (now known as BlackBerry Corporation) and Blackberry Corporation itself. Yach's expertise has been instrumental in propelling these companies forward, resulting in groundbreaking advancements in mobile innovation.

Collaborations:

Throughout his career, Yach has collaborated with notable colleagues who shared his passion for pushing the boundaries of mobile technology. Two such individuals are Herbert Anthony Little and Mihal Lazaridis. Their collective efforts have paved the way for advancements that have transformed how we interact with our mobile devices.

Conclusion:

David Paul Yach's journey as an innovator and inventor has been nothing short of remarkable. His 157 patents, including his recent contributions to code signing systems and advanced voice and data operations, have reshaped the mobile technology landscape. Yach's collaborations with esteemed colleagues further demonstrate his dedication to pushing the boundaries of innovation. As we look to the future, the impact of Yach's work continues to inspire and shape the ever-evolving world of mobile technology.

Profile summary based on public USPTO records.