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David S Callahan

This inventor holds 31 USPTO granted patents and 2 published patent applications and 4 EPO patents. Top assignees: Microsoft Technology Licensing, LLC, Intel Corporation. Active years: 2009-2017.

USPTO Granted Patents = 31 (Patent Applications = 2)

% Patents Active = 67.7

EPO Patents = 4 (Patent Applications = 1)

Average Co-Inventor Count = 4.7

ph-index = 7

Forward Citations = 254(Granted Patents)

Location History:

Issaquah, WA (US) (2013)
Everett, WA (US) (2013)
Seattle, WA (US) (2010 - 2016)
Mukilteo, WA (US) (2009 - 2017)

Company Filing History:

22 out of 56,162

Microsoft Technology Licensing, LLC

Years Active: 2009-2017

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Areas of Expertise:

Access Point Management

Transactional Memory

Buffered Stores

Operating System Transitions

Persistent Local Storage

Concurrent Exception Handling

Hardware Acceleration

Data Flow Network

Memory Management

Task Cancellation Mechanisms

Service Instance Syndication

Quality Value Determination

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9832661 - Access point management (2017-11-28),

2. 9477515 - Handling operating system (OS) transitions in an unbounded transactional memory (UTM) mode (2016-10-25),

3. 9280397 - Using buffered stores or monitoring to filter redundant transactional accesses and mechanisms for mapping data to buffered metadata (2016-03-08),

4. 9195600 - Mechanisms to accelerate transactions using buffered stores (2015-11-24),

5. 9069670 - Mechanisms to accelerate transactions using buffered stores (2015-06-30),

6. 8959517 - Cancellation mechanism for cancellable tasks including stolen task and descendent of stolen tasks from the cancellable taskgroup (2015-02-17),

7. 8887162 - Persistent local storage for processor resources (2014-11-11),

8. 8886894 - Mechanisms to accelerate transactions using buffered stores (2014-11-11),

9. 8856466 - Mechanisms to accelerate transactions using buffered stores (2014-10-07),

10. 8825895 - Access point capacity management (2014-09-02),

11. 8812796 - Private memory regions and coherence optimizations (2014-08-19),

12. 8719514 - Software filtering in a transactional memory system (2014-05-06),

13. 8688951 - Operating system virtual memory management for hardware transactional memory (2014-04-01),

14. 8548442 - Syndication of multiple service instances (2013-10-01),

15. 8521995 - Handling operating system (OS) transitions in an unbounded transactional memory (UTM) mode (2013-08-27),

Title: David S. Callahan: Innovator in Access Point Management and Transactional Memory

Introduction: David S. Callahan, a prominent inventor based in Mukilteo, WA, holds an impressive portfolio of 31 patents. His innovative work has significantly contributed to advancements in technology, particularly in the fields of access point management and unbounded transactional memory.

Latest Patents: Among his latest patents, one notable invention focuses on Access Point Management. This method involves selecting a client from a group, each possessing a profile that details their interactions with various access points. The selection process is guided by these profiles to assess if an access point should be replaced based on a connectivity score system. Another critical patent details a method for handling operating system transitions during an unbounded transactional memory (UTM) operation. This invention streamlines the execution of user threads transitioning between kernel and user modes, allowing for efficient continuation of transactions.

Career Highlights: David S. Callahan's career has seen him contribute to leading technology companies, including Microsoft Technology Licensing, LLC and Intel Corporation. His work has been instrumental in developing technologies that enhance user experience and system performance.

Collaborations: Throughout his career, Callahan has collaborated with notable professionals such as Jan Stephen Gray and Ali-Reza Adl-Tabatabai. These partnerships have undoubtedly enriched his innovative projects and led to impactful technological advancements.

Conclusion: With 31 patents to his name, David S. Callahan has established himself as a key inventor in the tech industry. His contributions to access point management and transactional memory highlight his commitment to innovation and excellence. As technology continues to evolve, his work remains vital to shaping future advancements.

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