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Harima Chemicals, Incorporated

USPTO Granted Patents = 83

% Expired Patents = 6.0

CIPO Patents = 4

EPO Patents = 36

Trademarks = 1

Forward Citations = 649

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196 inventors (with patents filed for the assignee):

Kazuki Ikeda (9 out of 9 patents)

Yorishige Matsuba (9 out of 9 patents)

Tadashi Takemoto (8 out of 8 patents)

4. Takahiro Fujiwara (8 out of 15 patents)

5. Hisao Irie (7 out of 7 patents)

6. Noriaki Hata (6 out of 6 patents)

7. Kazushige Inaoka (5 out of 5 patents)

8. Kosuke Inoue (5 out of 5 patents)

9. Daigo Kiga (5 out of 5 patents)

10. Daisuke Itoh (5 out of 9 patents)

11. Masanao Kono (5 out of 5 patents)

12. Masami Aihara (5 out of 5 patents)

13. Yoshihide Ishikawa (5 out of 5 patents)

14. Takao Fukunaga (4 out of 12 patents)

15. Keiji Sasakura (4 out of 4 patents)

Core Competencies:

Solder Alloy

Resin Composition

Papermaking Additive

Brazing Material

Conductive Adhesive

Flux

Rubber Composition

Aqueous Ink

Tackifier Resin

Inorganic Particle Dispersion

Active Energy Ray Curable Ink

Filler for Tires

83 patents: Sort by Forward Citations

1. 12545795 - Resin composition for aqueous ink (2026-02-10),

2. 12479939 - Release agent and method of producing resin product (2025-11-25),

3. 12115601 - Method of applying solid brazing material, method of producing coated workpiece, application apparatus, and roll-shaped solid brazing material (2024-10-15),

4. 12103115 - Brazing material, brazing member, heat exchanger, and producing method of brazing member (2024-10-01),

5. 12011787 - Flux, solder paste, and electronic circuit board (2024-06-18),

6. 11945052 - Brazing material application method and manufacturing method of metal member for brazing (2024-04-02),

7. 11826859 - Brazing material, brazing member, and heat exchanger (2023-11-28),

8. 11676935 - Bonding method and structure (2023-06-13),

9. 11472976 - Resin for active-energy-ray-curable ink, composition for active-energy-ray-curable ink, and active-energy-ray-curable ink (2022-10-18),

10. 11186740 - Inorganic particle dispersion (2021-11-30),

11. 10947363 - Filler for tires, rubber composition for tires, tire, method for producing filler for tires, and aggregation inhibitor (2021-03-16),

12. 10781344 - Tackifier resin and pressure-sensitive adhesive composition (2020-09-22),

13. 10781281 - Resin for ink and ink (2020-09-22),

14. 10730989 - Method for producing (meth)acrylamide papermaking additive and (meth)acrylamide polymer papermaking additive (2020-08-04),

15. 10669439 - Resin for active energy ray curable ink, composition for active energy ray curable ink, active energy ray curable ink, and cured film (2020-06-02),

Company Overview

Harima Chemicals, Incorporated, based in Hyogo, Japan, specializes in the development and manufacturing of advanced chemical products. The company focuses on a diverse range of applications, including solder alloys, resin compositions, and papermaking additives. Additionally, Harima is known for its innovative solutions in brazing materials, conductive adhesives, fluxes, rubber compositions, and aqueous inks. With a strong emphasis on research and technology, Harima Chemicals plays a significant role in enhancing various industrial processes through its specialized chemical engineering expertise.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

83 Patents

#14 in Hyogo

#1,271 in Japan

#9,150 in the World

Harima Chemicals, Incorporated

Forward Citations = 649

196 inventors:

Kazuki Ikeda (9 out of 9 patents)

Yorishige Matsuba (9 out of 9 patents)

Tadashi Takemoto (8 out of 8 patents)

4. Takahiro Fujiwara (8 out of 15 patents)

5. Hisao Irie (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Harima Chemicals, Incorporated. Retrieved from https://idiyas.com/company/harima-chemicals

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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