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For the Inventor, By the Inventor

Tortola, Virgin Islands, British

Index Systems, Inc.


USPTO Granted Patents = 59

% Expired Patents = 20.3



Forward Citations = 5,954

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37 inventors (with patents filed for the assignee):

goldMedal Henry C Yuen (32 out of 104 patents)

silverMedal Daniel S Kwoh (24 out of 62 patents)

bronzeMedal Roy J Mankovitz (17 out of 81 patents)

4.  Elsie Y Leung (14 out of 28 patents)

5.  Douglas B Macrae (8 out of 28 patents)

6.  Yee Kong Ng (8 out of 9 patents)

7.  Hing Y Ngai (6 out of 9 patents)

8.  Allen Chang (5 out of 43 patents)

9.  Carl Hindman (5 out of 5 patents)

10.  Thomas Edward Ward, Iii (5 out of 12 patents)

11.  Thomas E Westberg (4 out of 27 patents)

12.  Wing P Leung (4 out of 17 patents)

13.  Jonathan Wall (3 out of 70 patents)

14.  Gary Helmstetter (3 out of 4 patents)

15.  Kenneth S Hancock (3 out of 18 patents)


Core Competencies:
Data Encryption
Video Indexing
Electronic Program Guide
Video Taping Reminders
Advertisement Management
Remote Control Systems
Consumer Electronics
Digital Content Management
Transaction Analytics
Television Systems
Video Clip Storage
Program Scheduling

59 patents:

1. 11101982 - Systems and methods for data management and the use of salts and keys in data encryption/decryption (2021-08-24),
2. 10805070 - Systems and methods for multi-region encryption/decryption redundancy (2020-10-13),
3. 8914828 - System and method for grazing television channels from an electronic program guide (2014-12-16),
4. 8793742 - Systems and methods for capturing and storing an advertisement-related video clip (2014-07-29),
5. 8792776 - System and method for generating video taping reminders (2014-07-29),
6. 8762268 - Electronic commerce network with transactions analytics (2014-06-24),
7. 8689259 - Home entertainment system and method of its operation (2014-04-01),
8. 8631434 - Method and apparatus for transmitting and downloading setup information (2014-01-14),
9. 8321896 - Systems and methods for capturing and storing a product-related video frame (2012-11-27),
10. 8296807 - Method and apparatus for transmitting and downloading setup information (2012-10-23),
11. 8272011 - Method and system for displaying advertisements between schedule listings (2012-09-18),
12. 8265458 - System and method for generating video taping reminders (2012-09-11),
13. 8156529 - System and method for preprogrammed purchasing of television offered products (2012-04-10),
14. 8134645 - Combination of recorded program index and EPG (2012-03-13),
15. 8122471 - Method and apparatus for transmitting and downloading setup information (2012-02-21),
Company Overview
Index Systems, Inc., based in Tortola, VG, specializes in advanced data management solutions that enhance digital content accessibility and security. The company focuses on innovative technologies such as data encryption, video indexing, and electronic program guides, enabling seamless user experiences in consumer electronics. Their expertise extends to advertisement management and remote control systems, providing comprehensive tools for effective digital content management and user engagement in a rapidly evolving technological landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

59 Patents

#14 in Tortola

#14 in Virgin Islands, British

#12,232 in the World

Tortola, VG
Tortola, Virgin Islands, British

Index Systems, Inc.

Forward Citations = 5,954

37 inventors:

goldMedal Henry C Yuen (32 out of 104 patents)

silverMedal Daniel S Kwoh (24 out of 62 patents)

bronzeMedal Roy J Mankovitz (17 out of 81 patents)

4.  Elsie Y Leung (14 out of 28 patents)

5.  Douglas B Macrae (8 out of 28 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Index Systems, Inc.. Retrieved from https://idiyas.com/company/index-systems

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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