For the Inventor, By the Inventor

Enter assignee name

Portland, OR, United States of America

Tyfone, Inc.

USPTO Granted Patents = 87

% Expired Patents = 1.1

EPO Patents = 3

Trademarks = 4

Forward Citations = 2,080

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10 inventors (with patents filed for the assignee):

Siva G Narendra (87 out of 182 patents)

Prabhakar Tadepalli (79 out of 91 patents)

Saurav Chakraborty (40 out of 47 patents)

4. Thomas N Spitzer (27 out of 32 patents)

5. Donald Allen Bloodworth (26 out of 30 patents)

6. Dana B LeMoine (6 out of 6 patents)

7. Todd Raymond Nuzum (3 out of 15 patents)

8. Pradeep H Rajashekarappa (1 out of 4 patents)

9. Kishan H Saralaya (1 out of 1 patent)

10. Asoke Talukder (1 out of 1 patent)

Core Competencies:

NFC Technology

Wearable Devices

Secure Transactions

Remote Deposit Capture

Fingerprint Authentication

Multifactor Authentication

Contactless Payments

Smartcard Controller

87 patents: Sort by Forward Citations

1. 10803370 - Provisioning wearable device with current carrying conductor to produce time-varying magnetic field (2020-10-13),

2. 10721071 - Wearable personal digital identity card for fingerprint bound access to a cloud service (2020-07-21),

3. 10607129 - Sideband generating NFC apparatus to mimic load modulation (2020-03-31),

4. 10476675 - Personal digital identity card device for fingerprint bound asymmetric crypto to access a kiosk (2019-11-12),

5. 10318855 - Computing device with NFC and active load modulation for mass transit ticketing (2019-06-11),

6. 10211988 - Personal digital identity card device for fingerprint bound asymmetric crypto to access merchant cloud services (2019-02-19),

7. 10185909 - Wearable device with current carrying conductor to produce time-varying magnetic field (2019-01-22),

8. 9959534 - Remote deposit capture system with secure element authentication for check image generation and storage (2018-05-01),

9. 9959533 - Secure element authentication for remote deposit of check images received from payors (2018-05-01),

10. 9959532 - Secure element authentication for remote deposit capture compatible check image generation (2018-05-01),

11. 9906365 - Personal digital identity device with fingerprint sensor and challenge-response key (2018-02-27),

12. 9904887 - Computing device with NFC and active load modulation (2018-02-27),

13. 9781598 - Personal digital identity device with fingerprint sensor responsive to user interaction (2017-10-03),

14. 9741027 - Memory card based contactless devices (2017-08-22),

15. 9734319 - Configurable personal digital identity device with authentication using image received over radio link (2017-08-15),

Tyfone, Inc. is a technology company based in Portland, Oregon, specializing in personal digital identity solutions. The company focuses on developing advanced technologies such as NFC, wearable devices, and secure transaction systems. Tyfone's innovations include remote deposit capture, fingerprint authentication, and multifactor authentication, enabling secure and convenient contactless payments. With a commitment to enhancing digital security and user experience, Tyfone plays a significant role in the evolving landscape of personal identity management.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

87 Patents

#14 in Portland, OR

#52 in Oregon

#4,285 in US

#8,770 in the World

Portland, OR, United States of America

Tyfone, Inc.

Forward Citations = 2,080

10 inventors:

Siva G Narendra (87 out of 182 patents)

Prabhakar Tadepalli (79 out of 91 patents)

Saurav Chakraborty (40 out of 47 patents)

4. Thomas N Spitzer (27 out of 32 patents)

5. Donald Allen Bloodworth (26 out of 30 patents)

Please report any incorrect information to [email protected]

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