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For the Inventor, By the Inventor

Los Gatos, CA, United States of America

Hi/fn Inc.


USPTO Granted Patents = 9


Forward Citations = 902

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12 inventors (with patents filed for the assignee):

goldMedal Russell S Dietz (7 out of 25 patents)

silverMedal Andrew A Koppenhaver (6 out of 6 patents)

bronzeMedal Haig A Sarkissian (5 out of 7 patents)

4.  Joseph R Maixner (3 out of 3 patents)

5.  James F Torgerson (3 out of 9 patents)

6.  William H Bares (2 out of 3 patents)

7.  Fangli Chien (1 out of 6 patents)

8.  Paul C Cheng (1 out of 1 patent)

9.  Rueiming Jamp (1 out of 6 patents)

10.  Wen-Tsing Chen (1 out of 4 patents)

11.  Dzung-Ji Lii (1 out of 4 patents)

12.  Jack Hsu (1 out of 3 patents)

13.  Raymond Savarda (1 patent)

14.  Dan Winkelstein (1 patent)

15.  David Blaker (0 patent)


9 patents:

1. 7299282 - State processor for pattern matching in a network monitor device (2007-11-20),
2. 7260558 - Simultaneously searching for a plurality of patterns definable by complex expressions, and efficiently generating data for such searching (2007-08-21),
3. 6954789 - Method and apparatus for monitoring traffic in a network (2005-10-11),
4. 6839751 - Re-using information from data transactions for maintaining statistics in network monitoring (2005-01-04),
5. 6816459 - Method and apparatus for controlling network bandwidth (2004-11-09),
6. 6789116 - State processor for pattern matching in a network monitor device (2004-09-07),
7. 6771646 - Associative cache structure for lookups and updates of flow records in a network monitor (2004-08-03),
8. 6665725 - Processing protocol specific information in packets specified by a protocol description language (2003-12-16),
9. 6651099 - Method and apparatus for monitoring traffic in a network (2003-11-18),
Company Overview
Hi/fn Inc. is a leading provider of networking solutions for a wide range of applications. Their products include network processors, security processors, and compression engines designed to optimize network performance and security. With a focus on innovation and quality, Hi/fn Inc. has established itself as a trusted partner for companies looking to enhance their network infrastructure.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#39 in Los Gatos, CA

#7,735 in California

#32,588 in US

Los Gatos, CA (US)
Los Gatos, CA, United States of America

Hi/fn Inc.

Forward Citations = 902

12 inventors:

goldMedal Russell S Dietz (7 out of 25 patents)

silverMedal Andrew A Koppenhaver (6 out of 6 patents)

bronzeMedal Haig A Sarkissian (5 out of 7 patents)

4.  Joseph R Maixner (3 out of 3 patents)

5.  James F Torgerson (3 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hi/fn Inc.. Retrieved from https://idiyas.com/company/hi-fn

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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