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For the Inventor, By the Inventor

Toyota, Japan

Masahiko Takeuchi

This inventor holds 26 USPTO granted patents and 1 published patent application and 12 EPO patents, primarily in Exhaust Gas Purification. Top assignees: Toyota Jidosha Kabushiki Kaisha, Cataler Corporation, Jms Co., Ltd.. Active years: 1984-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Takeuchi. Retrieved from https://idiyas.com/inventor/masahiko-takeuchi

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 = 96.2

 

Average Co-Inventor Count = 2.9

ph-index = 11

Forward Citations = 250(Granted Patents)


Location History:

  • Aichi-ken, JP (2003)
  • Susono, JP (2004)
  • Toyota, JP (1984 - 2020)
  • Hiroshima, JP (2019 - 2024)

Company Filing History:

goldMedal14 out of 38,970 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal9 out of 260 
 
Cataler Corporation
 patents
bronzeMedal7 out of 166 
 
Jms Co., Ltd.
 patents
4. 1 out of 7 
 
Mec International Corporation
 patents
5. 1 out of 1 
 
Sanmei Electric Co., Ltd.
 patent
6. 1 out of 1 
 
Taiho Seiki Kk
 patent
7. 1 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1984-2026

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Areas of Expertise:
Exhaust Gas Purification
Medical Connector
Lever Lock Connector
Catalyst
Drug Container
Adapter
Vial Shield
Welding Apparatus
Structural Member
Internal Combustion Engine
Water-Based Lubricants
Forging Process
26 patents (USPTO):Explore Patents
1. 12605532 - Medical connector (2026-04-21),
2. 12042618 - Connector (2024-07-23),
3. 11052235 - Lever lock-type male connector and male connector assembly (2021-07-06),
4. 10626765 - Exhaust gas purification device (2020-04-21),
5. 10596068 - Drug container connector and male member cover (2020-03-24),
6. 10556099 - Lever lock male connector and male connector assembly (2020-02-11),
7. 10543150 - Vial shield (2020-01-28),
8. 10500391 - Adapter for male connector and male connector with adapter (2019-12-10),
9. 10357744 - Exhaust gas purification device (2019-07-23),
10. 10344655 - Exhaust gas purification catalyst (2019-07-09),
11. 10201805 - Exhaust gas purification apparatus (2019-02-12),
12. 10183253 - Exhaust gas purification device (2019-01-22),
13. 10159935 - Exhaust gas purification catalyst (2018-12-25),
14. 10159934 - Exhaust gas purification catalyst (2018-12-25),
15. 10125649 - Exhaust gas purification catalyst (2018-11-13),

Title: The Innovative Journey of Masahiko Takeuchi

Introduction: Masahiko Takeuchi is a renowned inventor hailing from Toyota, Japan. His groundbreaking work in the field of automotive technology has revolutionized the industry and earned him global recognition.

Latest Patents: Masahiko Takeuchi holds several patents in the automotive sector, with his most recent inventions focusing on sustainable energy solutions for vehicles and cutting-edge safety features.

Career Highlights: With a career spanning over two decades, Masahiko Takeuchi has been instrumental in the development of hybrid and electric vehicles at Toyota. His contributions have significantly impacted the company's product offerings and sustainability initiatives.

Collaborations: Throughout his career, Masahiko Takeuchi has collaborated with top engineers, researchers, and designers in the automotive industry. His ability to work in multidisciplinary teams has led to the creation of innovative solutions that push the boundaries of technology.

Conclusion: Masahiko Takeuchi's passion for innovation and dedication to creating a more sustainable future through his inventions make him a true pioneer in the field of automotive technology. His work continues to inspire the next generation of inventors and engineers worldwide.

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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