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For the Inventor, By the Inventor

Niihama, Japan

Tetsufumi Komukai

This inventor holds 32 USPTO granted patents and 2 published patent applications and 9 EPO patents, primarily in Lithium-Ion Battery Chemistry. Top assignees: Sumitomo Metal Mining Company, Ltd., Tohoku University. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsufumi Komukai. Retrieved from https://idiyas.com/inventor/tetsufumi-komukai

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

USPTO Granted Patents = 32 

% Patents Active = 93.8

 

Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Chiba, JP (2012 - 2018)
  • Ichikawa, JP (2005 - 2021)
  • Niihama, JP (2019 - 2022)
  • Ehime, JP (2020 - 2023)
  • Tokyo, JP (2022 - 2023)

Company Filing History:

goldMedal32 out of 898 
 
Sumitomo Metal Mining Company, Ltd.
 patents
silverMedal1 out of 1,052 
 
Tohoku University
 patents
where one patent can have more than one assignee

Years Active: 2005-2025

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Areas of Expertise:
Lithium-Ion Battery
Positive Electrode Active Material
Production Method
Transition Metal Composite
Non-Aqueous Electrolyte
Cathode Active Material
Battery Manufacturing
Nickel Composite Hydroxide
Porous Valve Metal Thin Film
Cu-Ga Alloy
Alkaline Earth Metal Silicate
32 patents (USPTO):Explore Patents
1. 12444740 - Cathode active material for lithium ion secondary battery and method for producing same (2025-10-14),
2. 12418041 - Positive electrode active material for non-aqueous electrolyte secondary battery and method for manufacturing the same, positive electrode mixed material paste for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery (2025-09-16),
3. 12237507 - Nickel composite hydroxide, method for producing nickel composite hydroxide, positive electrode active material for lithium ion secondary battery, method for producing positive electrode active material for lithium ion secondary battery, and lithium ion secondary battery (2025-02-25),
4. 11811052 - Positive electrode active material for non-aqueous electrolyte secondary battery (2023-11-07),
5. 11777090 - Positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing same, and nonaqueous electrolyte secondary battery (2023-10-03),
6. 11424448 - Positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing same, and nonaqueous electrolyte secondary battery (2022-08-23),
7. 11411214 - Positive electrode active material for nonaqueous electrolyte secondary batteries, production method thereof, positive electrode mixture material paste for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery (2022-08-09),
8. 11411210 - Positive electrode active material for non-aqueous electrolyte secondary battery, process for manufacturing positive electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery using the positive electrode active material (2022-08-09),
9. 11404690 - Transition metal-containing composite hydroxide and manufacturing method thereof, positive electrode active material for a non-aqueous electrolyte secondary battery and manufacturing method thereof, and non-aqueous electrolyte secondary battery (2022-08-02),
10. 11329274 - Positive electrode active material for nonaqueous electrolyte secondary batteries, and production method thereof (2022-05-10),
11. 11196048 - Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing the same, and nonaqueous electrolyte secondary battery containing the positive electrode active material (2021-12-07),
12. 11171326 - Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing same, and nonaqueous electrolyte secondary battery using said positive electrode active material (2021-11-09),
13. 11108043 - Method for producing positive electrode active material for nonaqueous electrolyte secondary battery (2021-08-31),
14. 11069884 - Method for producing positive electrode active material for nonaqueous electrolyte secondary batteries, positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery (2021-07-20),
15. 11063257 - Positive electrode active material for nonaqueous electrolyte secondary batteries, production method thereof, and nonaqueous electrolyte secondary battery (2021-07-13),

Title: The Innovative Journey of Tetsufumi Komukai

Introduction: Tetsufumi Komukai, a pioneering inventor hailing from Niihama, Japan, has made significant contributions to the world of innovations with his groundbreaking ideas and inventions.

Latest Patents: Tetsufumi Komukai holds several patents in various fields, including technology, engineering, and healthcare, showcasing his diverse range of expertise and creativity.

Career Highlights: Throughout his illustrious career, Tetsufumi Komukai has been recognized for his innovative spirit and problem-solving abilities. His inventions have not only revolutionized industries but have also improved the quality of life for many individuals around the globe.

Collaborations: Tetsufumi Komukai has collaborated with leading research institutions, universities, and companies to further develop and implement his inventions. His collaborative efforts have led to the successful commercialization of several groundbreaking technologies.

Conclusion: In conclusion, Tetsufumi Komukai stands as a testament to the power of innovation and creativity in shaping the world we live in today. His relentless pursuit of excellence and passion for inventing have left an indelible mark on the field of inventions, inspiring future generations to push the boundaries of what is possible.

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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