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For the Inventor, By the Inventor

Mishima, Japan

Takatoshi Masui

This inventor holds 26 USPTO granted patents and 6 published patent applications and 4 EPO patents, primarily in Fuel Cell Systems. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha, Aisan Kogyo Kabushiki Kaisha. Active years: 1978-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takatoshi Masui. Retrieved from https://idiyas.com/inventor/takatoshi-masui

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

USPTO Granted Patents = 26 

% Patents Active = 84.6

 

Average Co-Inventor Count = 2.6

ph-index = 10

Forward Citations = 277(Granted Patents)


Location History:

  • Susono, JA (1978)
  • Susono, JP (1979 - 1985)
  • Mishima, JP (1987 - 2016)

Company Filing History:

goldMedal22 out of 38,970 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal3 out of 1,838 
 
Toyota Jidosha Kogyo Kabushiki Kaisha
 patents
bronzeMedal1 out of 809 
 
Aisan Kogyo Kabushiki Kaisha
 patents
4. 1 out of 2 
 
Yoyota Jidosha Kogyo Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1978-2016

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Areas of Expertise:
Fuel Cell System
Hydrogen Generation
Hybrid System
Drive Control
Air-Fuel Ratio Sensor
Exhaust Emission
Fuel Injection Control
Internal Combustion Engine
Learning Control
Response Improvement
Fuel Mixture Supply
Control Arrangement
26 patents (USPTO):Explore Patents
1. 9502727 - Fuel cell system and method of controlling a fuel cell system (2016-11-22),
2. 8808935 - Fuel cell system (2014-08-19),
3. 7867647 - Hydrogen generation device and fuel cell system including same (2011-01-11),
4. 7798266 - Hybrid system (2010-09-21),
5. 7501195 - Drive control of power system including fuel cells (2009-03-10),
6. 4831838 - Double air-fuel ratio sensor system carrying out learning control (1989-05-23),
7. 4819427 - Double air-fuel ratio sensor system having improved exhaust emission (1989-04-11),
8. 4817383 - Double air-fuel ratio sensor system having improved exhaust emission (1989-04-04),
9. 4779414 - Double air-fuel ratio sensor system carrying out learning control (1988-10-25),
10. 4761950 - Double air-fuel ratio sensor system carrying out learning control (1988-08-09),
11. 4747265 - Double air-fuel ratio sensor system having improved exhaust emission (1988-05-31),
12. 4745741 - Double air-fuel ratio sensor system having improved response (1988-05-24),
13. 4739614 - Double air-fuel ratio sensor system in internal combustion engine (1988-04-26),
14. 4729219 - Double air-fuel ratio sensor system having improved response (1988-03-08),
15. 4723408 - Double air-fuel ratio sensor system carrying out learning control (1988-02-09),

Title: Takatoshi Masui: Pioneering Inventor from Mishima

Introduction: Takatoshi Masui is a renowned inventor hailing from Mishima, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Takatoshi Masui holds several patents in various technological domains, showcasing his continuous dedication to pushing the boundaries of innovation.

Career Highlights: Throughout his illustrious career, Takatoshi Masui has been instrumental in developing cutting-edge technologies that have revolutionized industries and improved the lives of many.

Collaborations: Takatoshi Masui has collaborated with leading research institutions, universities, and companies worldwide, fostering a culture of innovation and knowledge sharing.

Conclusion: Takatoshi Masui's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of inventions, inspiring future generations of inventors to dream big and create impactful change.

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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