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For the Inventor, By the Inventor

Belleville, MI, United States of America

Carol Louise Okubo

This inventor holds 43 USPTO granted patents and 2 published patent applications, primarily in Hybrid Electric Vehicles. Top assignee: Ford Global Technolgoies, LLC. Active years: 2004-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Carol Louise Okubo. Retrieved from https://idiyas.com/inventor/carol-louise-okubo

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

Calculating rank
USPTO Granted Patents = 43 

% Patents Active = 83.7

Average Co-Inventor Count = 3.2

ph-index = 7

Forward Citations = 226(Granted Patents)


Location History:

  • Belleville, MI (US) (2004 - 2019)
  • Dearborn, MI (US) (2018 - 2024)

Company Filing History:

goldMedal43 out of 26,733 
 
Ford Global Technolgoies, LLC
 patents

Years Active: 2004-2025

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Areas of Expertise:
Torque Control
Battery Management
Engine Operation
Electric Vehicle
Powertrain Control
Temperature Management
Drivability Improvement
Hybrid Vehicle
Power Allocation
Generator Control
Performance Optimization
Engine Speed Control
43 patents (USPTO):Explore Patents
1. 12337823 - Preventing electric vehicle brake torque (2025-06-24),
2. 12128770 - Methods and systems for battery power allocation control in a BEV (2024-10-29),
3. 12077147 - Systems and methods for managing temperature of an electric machine of a hybrid electric vehicle (2024-09-03),
4. 11926308 - Methods and system for operating an engine (2024-03-12),
5. 11919503 - Methods and system for stall torque derating (2024-03-05),
6. 11794588 - Feedforward torque limit for electrified powertrain (2023-10-24),
7. 11505175 - Systems and methods for managing temperature of an electric machine of a hybrid electric vehicle (2022-11-22),
8. 11164401 - Fluid system for a vehicle and a diagnostic method for the system (2021-11-02),
9. 11014461 - Charge port contactor operation (2021-05-25),
10. 10889191 - Methods and system for limiting torque in a BEV (2021-01-12),
11. 10836391 - Methods and system for controlling engine compression braking in a vehicle with a continuously variable transmission (2020-11-17),
12. 10829106 - Method and system for improving drivability of PHEV having low traction battery discharge limits (2020-11-10),
13. 10814861 - Systems and methods for controlling engine speed in a hybrid vehicle (2020-10-27),
14. 10479348 - Hybrid vehicle and method of reducing engine lugging (2019-11-19),
15. 10407069 - Methods and system for controlling engine braking (2019-09-10),

Title: Innovator Spotlight: Carol Louise Okubo

Introduction: Carol Louise Okubo, based in Belleville, MI, is a noteworthy inventor with an impressive portfolio of 42 patents. Her work primarily focuses on advancements in electric vehicle technologies, contributing significantly to the field through innovative methodologies.

Latest Patents: Among her latest patents is a pioneering method for battery power allocation control in a Battery Electric Vehicle (BEV). This invention involves a systematic approach to managing electric vehicle battery distribution across multiple motors. The method includes selecting specific drive paths for optimal power allocation and adjusting power limits based on determined ratios.

Another significant patent addresses the management of temperature in hybrid electric vehicles. This invention provides methods for operating the driveline of such vehicles when the temperature of a motor/generator rises, ensuring continued efficiency by adjusting engine speed while maintaining power output.

Career Highlights: Carol currently works at Ford Global Technologies, LLC, where she harnesses her expertise to drive innovation in electric vehicle technology. Her contributions not only enhance vehicle performance but also align with the evolving demands for more efficient and sustainable transportation solutions.

Collaborations: Throughout her career, Carol has collaborated with esteemed colleagues, including Shunsuke Okubo and Ming Lang Kuang. These collaborations foster a dynamic exchange of ideas and spur further innovation in their projects and patent applications.

Conclusion: Carol Louise Okubo exemplifies the spirit of innovation in the automotive industry. Her relentless pursuit of advancements in electric vehicle technology signifies a substantial impact on future transportation capabilities. As technology continues to evolve, inventors like Carol play a crucial role in shaping sustainable and efficient solutions for modern challenges.

Profile summary based on public USPTO records.
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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