Shigeki Hasegawa

This inventor holds 46 USPTO granted patents and 4 published patent applications, plus 8 CIPO patents and 10 EPO patents, primarily in Fuel Cell Technology. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Motor Engineering & Manufacturing North America, Inc., Nippon Soken, Inc.. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeki Hasegawa. Retrieved from https://idiyas.com/inventor/shigeki-hasegawa

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

USPTO Granted Patents = 46 (Patent Applications = 4)

% Patents Active = 84.8

CIPO Patents = 8

EPO Patents = 10 (Patent Applications = 10)

Average Co-Inventor Count = 2.9

ph-index = 1

Forward Citations = 8(Granted Patents)

Location History:

Syunto-gun, JP (2015)
Gotemba, JP (2014 - 2016)
Sunto-gun, JP (2017)
Gotenba, JP (2018)
Susono, JP (2018 - 2019)
Toyota, JP (2018 - 2023)
Aichi, JP (2020 - 2023)

Company Filing History:

39 out of 38,912

Toyota Jidosha Kabushiki Kaisha

patents

12 out of 4,366

Toyota Motor Engineering & Manufacturing North America, Inc.

where one patent can have more than one assignee

Years Active: 2014-2025

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Areas of Expertise:

Fuel Cell System

Control Method

Gas Supply

State Estimation

Air System

Cooling System

Hydrogen Supply

Turbo Compressor

Catalyst Production

Monitoring Device

Feedback Control

Anode Off-Gas

46 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12362373 - Fuel gas supply system for fuel cell and method of controlling fuel gas supply system (2025-07-15),

2. 11837762 - Fuel cell system (2023-12-05),

3. 11757118 - Fuel cell system and method of controlling fuel cell (2023-09-12),

4. 11710838 - Air system pressure observer control method for fuel cell system (2023-07-25),

5. 11705565 - Fuel cell system (2023-07-18),

6. 11611094 - Fuel cell system and method of controlling fuel cell system (2023-03-21),

7. 11569516 - Fuel cell system (2023-01-31),

8. 11548408 - Control systems and methods to meet fuel cell fuel demand (2023-01-10),

9. 11482719 - Equation based state estimate for air system controller (2022-10-25),

10. 11456469 - Fuel cell system (2022-09-27),

11. 11450871 - Air supply control method to fuel cell system (2022-09-20),

12. 11362355 - Fuel cell system and anode off-gas discharge amount estimation system (2022-06-14),

13. 11296334 - Fuel cell system (2022-04-05),

14. 11223057 - Fuel cell system (2022-01-11),

15. 11217803 - Fuel cell system and method for inferring wet state of fuel cell (2022-01-04),

Title: The Innovative Journey of Shigeki Hasegawa

Introduction: Shigeki Hasegawa is a renowned inventor hailing from Toyota, Japan, known for his groundbreaking contributions to the field of automotive technology.

Latest Patents: Shigeki Hasegawa holds several patents related to hybrid vehicle systems, energy-efficient engines, and advanced safety features in automobiles.

Career Highlights: With a career spanning over two decades at Toyota, Shigeki Hasegawa has played a pivotal role in the development of eco-friendly vehicles and cutting-edge automotive technologies. His innovative mindset and dedication have led to significant advancements in the industry.

Collaborations: Throughout his career, Shigeki Hasegawa has collaborated with top engineers, designers, and researchers in the automotive sector, fostering a culture of innovation and excellence within Toyota.

Conclusion: Shigeki Hasegawa's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor in the automotive industry, shaping the future of sustainable transportation.

Profile summary based on public USPTO records.