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For the Inventor, By the Inventor

San Francisco, CA, United States of America

Townsend and Townsend and Crew LLP

USPTO Granted Patents = 21

Forward Citations = 360

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2 inventors (with patents filed for the assignee):

goldMedal Robert J Proebsting (21 out of 91 patents)

silverMedal Hyunsoo Sim (1 out of 1 patent)


21 patents:

1. 6326839 - Apparatus for translating a voltage (2001-12-04),
2. 6323722 - Apparatus for translating a voltage (2001-11-27),
3. 6323721 - Substrate voltage detector (2001-11-27),
4. 6137335 - Oscillator receiving variable supply voltage depending on substrate (2000-10-24),
5. 6137157 - Semiconductor memory array having shared column redundancy programming (2000-10-24),
6. 6064250 - Various embodiments for a low power adaptive charge pump circuit (2000-05-16),
7. 6044023 - Method and apparatus for pipelining data in an integrated circuit (2000-03-28),
8. 6031783 - High speed video frame buffer (2000-02-29),
9. 6026044 - High speed video frame buffer (2000-02-15),
10. 5995437 - Semiconductor memory and method of accessing memory arrays (1999-11-30),
11. 5952948 - Low power liquid-crystal display driver (1999-09-14),
12. 5936905 - Self adjusting delay circuit and method for compensating sense amplifier (1999-08-10),
13. 5926050 - Separate set/reset paths for time critical signals (1999-07-20),
14. 5859961 - Renumbered array architecture for multi-array memories (1999-01-12),
15. 5793383 - Shared bootstrap circuit (1998-08-11),
Company Overview
Townsend and Townsend and Crew LLP is a prominent law firm based in San Francisco, specializing in intellectual property law. The firm provides comprehensive legal services in areas such as patent prosecution, litigation, and trademark registration, catering to a diverse clientele that includes technology companies, startups, and established enterprises. With a strong focus on innovation, Townsend supports clients in navigating the complexities of intellectual property rights, ensuring robust protection for their inventions and creative works.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

21 Patents

#225 in San Francisco, CA

#3,764 in California

#15,712 in US

#30,001 in the World

San Francisco, CA (US)
San Francisco, CA, United States of America

Townsend and Townsend and Crew LLP

Forward Citations = 360

2 inventors:

goldMedal Robert J Proebsting (21 out of 91 patents)

silverMedal Hyunsoo Sim (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Townsend and Townsend and Crew LLP. Retrieved from https://idiyas.com/company/townsend-and-townsend-and-crew

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

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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