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For the Inventor, By the Inventor

Nagoya, Japan

Tetsuo Nagami

This inventor holds 18 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Cataler Corporation, Nippon Soken, Inc.. Active years: 1989-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Nagami. Retrieved from https://idiyas.com/inventor/tetsuo-nagami

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

USPTO Granted Patents = 18 

% Patents Active = 77.8


Average Co-Inventor Count = 4.9

ph-index = 7

Forward Citations = 121(Granted Patents)


Company Filing History:

goldMedal17 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal4 out of 260 
 
Cataler Corporation
 patents
bronzeMedal2 out of 1,600 
 
Nippon Soken, Inc.
 patents
4. 1 out of 11 
 
Cataler Industrial Co., Ltd.
 patents
5. 1 out of 1,153 
 
Kabushiki Kaisha Toyota Chuo Kenkyusho
 patents
6. 1 out of 1,769 
 
Sandia Corporation
 patents
7. 1 out of 1 
 
Toyota Chuo Kenkyusho Kabushiki Kaisha
 patent
8. 1 out of 131 
 
Toyota Motor Corporation
 patents
9. 1 out of 4,366 
 
Toyota Motor Engineering & Manufacturing North America, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1989-2022

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18 patents (USPTO):Explore Patents
1. 11258075 - Fuel cell electrode catalyst (2022-02-22),
2. 10938039 - Electrode catalyst for fuel cell and method of producing the same, and cathode, anode, and fuel cell including electrode catalyst (2021-03-02),
3. 10734658 - Electrode catalyst for fuel cell and method of producing the same, and cathode, anode, and fuel cell including electrode catalyst (2020-08-04),
4. 10263260 - Electrode catalyst for fuel cell, method for producing the same, and polymer electrolyte fuel cell using the same (2019-04-16),
5. 10147956 - Fuel cell electrode catalyst, production method thereof, and fuel cell (2018-12-04),
6. 8541146 - Photocatalytic methods for preparation of electrocatalyst materials (2013-09-24),
7. 8415073 - Fuel cell and electrode powder constituting the catalytic layer thereof (2013-04-09),
8. 8236462 - Electrode catalyst for fuel cell, method for producing the electrode catalyst, and polymer electrolyte fuel cell using the electrode catalyst (2012-08-07),
9. 8114803 - Catalyst material and process for preparing the same (2012-02-14),
10. 7241717 - Cathode catalyst for fuel cell (2007-07-10),
11. 6911278 - Electrode catalyst for fuel cell and process for producing the same (2005-06-28),
12. 5686377 - Catalyst for purifying exhaust gases (1997-11-11),
13. 5582805 - Electrically heated catalytic apparatus (1996-12-10),
14. 5582803 - Electrically heated catalytic apparatus (1996-12-10),
15. 5529759 - Electrically heated catalytic converter for an engine (1996-06-25),

Title: **Tetsuo Nagami: A Pioneer in Fuel Cell Technology**

Introduction

Tetsuo Nagami, based in Nagoya, Japan, is a distinguished inventor renowned for his significant contributions to fuel cell technology. With a remarkable portfolio of 18 patents, Nagami is at the forefront of innovative solutions that enhance the efficiency and performance of fuel cells.

Latest Patents

Among his latest inventions, Nagami has developed a notable fuel cell electrode catalyst. This catalyst comprises a noble-metal-supported catalyst with a carbon support and noble metal. The innovation features a unique water-repellent material that modifies the catalyst, employing mesoporous carbon with specific pore volume measurements. Another groundbreaking patent includes an electrode catalyst for fuel cells, which utilizes a carbon support with precise crystallite size parameters and a catalytic metal, such as platinum or its alloys, offering enhanced efficiency in fuel cell applications.

Career Highlights

Nagami has had an impressive career, contributing to renowned companies such as Toyota and Cataler Corporation. His work has been instrumental in advancing automotive technologies and sustainable energy solutions through innovative fuel cell designs.

Collaborations

Throughout his career, Tetsuo Nagami has collaborated with esteemed colleagues like Hiroshi Hirayama and Masakatsu Sanada. Their teamwork has fostered advancements in fuel cell technology and paved the way for future innovations in the industry.

Conclusion

Tetsuo Nagami's dedication and inventive spirit have made a substantial impact on the field of fuel cells. With a strong patent portfolio and a collaborative approach, he continues to influence advancements in alternative energy technologies, ensuring a sustainable future through innovation.

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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