IDiyas

For the Inventor, By the Inventor

Tokyo, Japan

Kunchan Lee

USPTO Granted Patents = 18 

 

Average Co-Inventor Count = 3.9

ph-index = 2

Forward Citations = 24(Granted Patents)


Location History:

  • Chiba, JP (2014 - 2015)
  • Minato-ku, JP (2015)
  • Tokyo, JP (2015 - 2020)

Company Filing History:

goldMedal18 out of 1,960 
 
Showa Denko K.k.
 patents
silverMedal1 out of 99 
 
Yokohama National University
 patents
bronzeMedal1 out of 566 
 
Tokyo Institute of Technology
 patents
where one patent can have more than one assignee

Years Active: 2014-2020

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18 patents (USPTO):Explore Patents
1. 10727514 - Oxygen reduction catalyst, electrode, membrane electrode assembly, and fuel cell (2020-07-28),
2. 10720649 - Oxygen reduction catalyst, electrode, membrane electrode assembly, and fuel cell (2020-07-21),
3. 10658676 - Oxygen reduction catalyst (2020-05-19),
4. 10573902 - Oxygen reduction catalyst, electrode, membrane electrode assembly, and fuel cell (2020-02-25),
5. 10096841 - Catalyst carrier, method for producing catalyst carrier, and use of catalyst carrier (2018-10-09),
6. 10044045 - Process for producing a fuel cell electrode catalyst, fuel cell electrode catalyst and use thereof (2018-08-07),
7. 10026968 - Method for producing fuel cell electrode catalyst (2018-07-17),
8. 10005066 - Catalyst carrier and method for producing the same (2018-06-26),
9. 9947940 - Method for producing fuel cell electrode catalyst (2018-04-17),
10. 9947937 - Catalyst carrier and method for producing the same (2018-04-17),
11. 9640801 - Process for producing catalyst carrier, process for producing composite catalyst, composite catalyst, and fuel cell using same (2017-05-02),
12. 9379390 - Process for producing catalyst for direct-liquid fuel cell, catalyst produced by the process and uses thereof (2016-06-28),
13. 9350025 - Method for producing fuel cell electrode catalyst, fuel cell electrode catalyst, and uses thereof (2016-05-24),
14. 9318749 - Process for producing catalyst carrier, process for producing composite catalyst, composite catalyst, and fuel cell using same (2016-04-19),
15. 9136541 - Process for producing fuel cell electrode catalyst, process for producing transition metal oxycarbonitride, fuel cell electrode catalyst and uses thereof (2015-09-15),

Title: Kunchan Lee: Innovator in Fuel Cell Technology

Introduction

Kunchan Lee is a prominent inventor based in Tokyo, Japan, known for his significant contributions to fuel cell technology. With a total of 18 patents to his name, he has made remarkable advancements in the field of energy conversion and storage.

Latest Patents

Kunchan Lee's latest patents focus on the development of an oxygen reduction catalyst, electrode, membrane electrode assembly, and fuel cell. These innovations provide an oxygen reduction catalyst that exhibits a high electrode potential under fuel cell operating conditions. The catalyst contains cobalt, sulfur, and oxygen as key elements, and it features a CoS cubic structure as identified through powder X-ray diffractometry. Additionally, the catalyst has an S—Co/S—O peak area ratio ranging from 6 to 15 in the S2p spectrum, as analyzed by X-ray photoelectron spectroscopy. Another patent describes a similar oxygen reduction catalyst with a CoS hexagonal structure, which has an S—Co/S—O peak area ratio of 2.1 to 8.9.

Career Highlights

Throughout his career, Kunchan Lee has worked with notable organizations such as Showa Denko K.K. and Yokohama National University. His work in these institutions has allowed him to further his research and development in fuel cell technologies, contributing to advancements in sustainable energy solutions.

Collaborations

Kunchan Lee has collaborated with esteemed colleagues, including Ryuji Monden and Yasuaki Wakizaka. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Kunchan Lee's contributions to fuel cell technology and his innovative patents highlight his role as a leading inventor in the field. His work continues to influence advancements in energy solutions, paving the way for a more sustainable future.

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