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For the Inventor, By the Inventor

Ann Arbor, MI, United States of America

Toyota Technical Center, U.s.a., Inc.

Calculating rank
USPTO Granted Patents = 39

% Expired Patents = 69.2



Forward Citations = 647

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63 inventors (with patents filed for the assignee):

goldMedal Liu Qiao (3 out of 6 patents)

silverMedal Wen Li (3 out of 23 patents)

bronzeMedal Shunsuke Chigusa (3 out of 6 patents)

4.  Charan Singh Lota (3 out of 39 patents)

5.  Krishna Pattipatti (2 out of 6 patents)

6.  Michael Sweers (2 out of 5 patents)

7.  Teng-Hua Shieh (2 out of 6 patents)

8.  Jianhui Luo (2 out of 2 patents)

9.  Andi J Song (2 out of 2 patents)

10.  Mark Alan DeJongh (2 out of 2 patents)

11.  Umesh P Naik (1 out of 8 patents)

12.  John Muldoon (1 out of 37 patents)

13.  Rini Sherony (1 out of 22 patents)

14.  Dmitri A Dolgov (1 out of 154 patents)

15.  Gerald Perron (1 out of 7 patents)


Core Competencies:
Collision Warning
Intelligent Diagnostics
Li-Ion Battery
Automotive Safety
Proton Membranes
Self-Repair Agents
Vehicle Navigation
Occupant Restraint
Speed Calculation
Retractable Seat
Air Vent Control
Tailgate Innovations

39 patents:

1. 7536277 - Intelligent model-based diagnostics for system monitoring, diagnosis and maintenance (2009-05-19),
2. 7317406 - Infrastructure-based collision warning using artificial intelligence (2008-01-08),
3. 7275423 - Automatic speed calculation for scratch machine (2007-10-02),
4. 7273230 - Tension shackle x-brace (2007-09-25),
5. 7267908 - In cycling stability of Li-ion battery with molten salt electrolyte (2007-09-11),
6. 7260501 - Intelligent model-based diagnostics for system monitoring, diagnosis and maintenance (2007-08-21),
7. 7252312 - Radiator grill attachment (2007-08-07),
8. 7246612 - Oil separator (2007-07-24),
9. 7233879 - System and method of agent self-repair within an intelligent agent system (2007-06-19),
10. 7210738 - Retractable seat back protector (2007-05-01),
11. 7208243 - Proton exchange membranes using cycloaddition reaction between azide and alkyne containing components (2007-04-24),
12. 7204515 - Occupant restraint mechanism (2007-04-17),
13. 7183932 - Inter-vehicle drowsy driver advisory system (2007-02-27),
14. 7183370 - Phosphonic-acid grafted hybrid inorganic-organic proton electrolyte membranes (PEMs) (2007-02-27),
15. 7175217 - Vehicle power outlet bezel assembly (2007-02-13),
Company Overview
Toyota Technical Center, U.S.A., Inc., located in Ann Arbor, Michigan, serves as a pivotal research and development hub for Toyota's automotive innovations. The center focuses on advanced engineering, vehicle design, and technology integration, contributing to the development of cutting-edge automotive solutions. With a commitment to enhancing vehicle performance, safety, and sustainability, the center plays a crucial role in Toyota's global strategy, fostering collaboration across various engineering disciplines to meet evolving consumer needs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Toyota Technical Center, U.s.a., Inc. USPTO Patent Assignee Logo
39 Patents

#19 in Ann Arbor, MI

#337 in Michigan

#8,830 in US

#17,465 in the World

Ann Arbor, MI (US)
Ann Arbor, MI, United States of America

Toyota Technical Center, U.s.a., Inc.

Forward Citations = 647

63 inventors:

goldMedal Liu Qiao (3 out of 6 patents)

silverMedal Wen Li (3 out of 23 patents)

bronzeMedal Shunsuke Chigusa (3 out of 6 patents)

4.  Charan Singh Lota (3 out of 39 patents)

5.  Krishna Pattipatti (2 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyota Technical Center, U.s.a., Inc.. Retrieved from https://idiyas.com/company/toyota-technical-center-u-s-a

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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