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For the Inventor, By the Inventor

Tokyo, Japan

Jfe Chemical Corporation

Calculating rank
USPTO Granted Patents = 29

% Expired Patents = 20.7


Forward Citations = 146

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48 inventors (with patents filed for the assignee):

goldMedal Ryuta Haga (8 out of 9 patents)

silverMedal Hiroaki Mori (6 out of 13 patents)

bronzeMedal Tetsuo Shiode (5 out of 7 patents)

4.  Satoshi Goto (4 out of 21 patents)

5.  Makiko Ijiri (4 out of 7 patents)

6.  Katsuhiro Nagayama (4 out of 9 patents)

7.  Hirofumi Yoshida (4 out of 4 patents)

8.  Yukiko Nakamura (4 out of 5 patents)

9.  Mikito Suto (3 out of 21 patents)

10.  Akira Matsuzaki (3 out of 33 patents)

11.  Yusuke Fushiwaki (3 out of 29 patents)

12.  Kazuya Takemura (3 out of 12 patents)

13.  Naoyuki Kitamura (3 out of 3 patents)

14.  Ryota Yamaji (3 out of 3 patents)

15.  Hiroaki Nakao (2 out of 2 patents)


Core Competencies:
Negative Electrode
Lithium Ion Battery
Carbon Material
Graphite Particles
Electrode Material
Phenolic Resin
Polyimide Composition
Thermally Cured Object
Activated Carbon
Ferrite Core
Amorphous Carbon

29 patents:

1. 12330946 - Carbon material for negative electrode of lithium ion secondary battery and method of producing the same, and negative electrode and lithium ion secondary battery using the carbon material (2025-06-17),
2. 11942641 - Method for producing carbonaceous substance-coated graphite particles (2024-03-26),
3. 11840452 - Spherically-shaped coated graphite, negative electrode for lithium ion secondary battery, and lithium ion secondary battery (2023-12-12),
4. 11804594 - Carbonaceous substance-coated graphite particles, negative electrode for lithium ion secondary battery, and lithium ion secondary battery (2023-10-31),
5. 11804593 - Carbonaceous substance-coated graphite particles, negative electrode for lithium ion secondary battery and lithium ion secondary battery (2023-10-31),
6. 10930929 - Negative-electrode material for Li-ion secondary cell, method for manufacturing said material, negative electrode for Li-ion-secondary-cell, and Li-ion secondary cell (2021-02-23),
7. 10906855 - Method for producing fluorenylidene diallylphenols, and fluorenylidene diallylphenols (2021-02-02),
8. 10865325 - Thermally curable composition, varnish thereof, and thermally cured object (2020-12-15),
9. 10604629 - Polyamide acid composition and polyimide composition (2020-03-31),
10. 10538660 - Method for producing dicyclopentadiene-modified phenolic resin (2020-01-21),
11. 10351660 - Phenolic resin composition, epoxy resin composition, and cured epoxy resin (2019-07-16),
12. 10174165 - Poly(amic acid) composition and polyimide composition (2019-01-08),
13. 10170752 - Method for producing amorphous carbon particle, amorphous carbon particles, negative electrode material for lithium ion secondary batteries, and lithium ion secondary battery (2019-01-01),
14. 9735421 - Method for producing amorphous carbon particles, amorphous carbon particles, negative electrode material for lithium ion secondary battery, and lithium ion secondary battery (2017-08-15),
15. 9607729 - Binder pitch and method for producing the same (2017-03-28),
Company Overview
JFE Chemical Corporation, headquartered in Tokyo, specializes in the development and manufacturing of advanced chemical products and materials. The company focuses on a variety of sectors, including automotive, electronics, and environmental solutions, leveraging innovative technologies to enhance performance and sustainability. With a commitment to research and development, JFE Chemical aims to address global challenges through its diverse portfolio, contributing to industries that require high-quality chemical solutions and materials.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

29 Patents

#1,091 in Tokyo

#2,366 in Japan

#22,581 in the World

Tokyo, JP
Tokyo, Japan

Jfe Chemical Corporation

Forward Citations = 146

48 inventors:

goldMedal Ryuta Haga (8 out of 9 patents)

silverMedal Hiroaki Mori (6 out of 13 patents)

bronzeMedal Tetsuo Shiode (5 out of 7 patents)

4.  Satoshi Goto (4 out of 21 patents)

5.  Makiko Ijiri (4 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jfe Chemical Corporation. Retrieved from https://idiyas.com/company/jfe-chemical

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

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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