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For the Inventor, By the Inventor

Tokyo, Japan

Asahi Kasei Construction Materials Corporation


USPTO Granted Patents = 12

% Expired Patents = 8.3



Forward Citations = 2

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28 inventors (with patents filed for the assignee):

goldMedal Hisashi Mihori (6 out of 8 patents)

silverMedal Yoshihito Fukasawa (3 out of 7 patents)

bronzeMedal Takayuki Kuroda (2 out of 20 patents)

4.  Shigemi Mukaiyama (2 out of 2 patents)

5.  Masato Hamajima (2 out of 2 patents)

6.  Yoshimitsu Inoue (2 out of 2 patents)

7.  Nobuki Hiramatsu (2 out of 2 patents)

8.  Daisuke Ito (1 out of 179 patents)

9.  Noriaki Kikuchi (1 out of 1 patent)

10.  Masami Komiyama (1 out of 1 patent)

11.  Vahit Atakan (1 out of 38 patents)

12.  Omkar Deo (1 out of 5 patents)

13.  David Vuong (1 out of 3 patents)

14.  Hirotaka Takase (1 out of 1 patent)

15.  Takayuki Kamata (1 out of 1 patent)


12 patents:

1. 12269249 - Phenolic resin foam laminate board and composite board (2025-04-08),
2. 11932733 - Phenolic resin foam laminate board (2024-03-19),
3. 11668063 - Steel pipe coupling device for steel pipes (2023-06-06),
4. 11326036 - Flame-retardant phenolic resin foam (2022-05-10),
5. 10695949 - Lightweight composite materials produced from carbonatable calcium silicate and methods thereof (2020-06-30),
6. 10253151 - Phenolic resin foam and method for producing the same (2019-04-09),
7. 9976026 - Phenol resin foamed plate (2018-05-22),
8. 9975311 - Phenolic resin foam laminated sheet and method for manufacturing the same (2018-05-22),
9. 9957368 - Phenolic resin foam board, and method for manufacturing same (2018-05-01),
10. 9945088 - Steel pipe pile with spiral blades, composite pile, and construction method of composite pile (2018-04-17),
11. 9688831 - Phenol resin foam (2017-06-27),
12. 8877106 - Device for forming thermosetting resin foam plate and method of manufacturing thermosetting resin foam plate (2014-11-04),
Company Overview
Asahi Kasei Construction Materials Corporation, based in Tokyo, specializes in the development and manufacturing of advanced construction materials. The company focuses on innovative solutions that enhance building performance, sustainability, and safety. Its expertise spans various domains, including structural materials, insulation technologies, and energy-efficient systems. With a commitment to quality and innovation, Asahi Kasei aims to contribute to the construction industry by providing reliable and environmentally friendly products that meet the evolving needs of modern architecture.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#1,729 in Tokyo

#3,935 in Japan

#48,163 in the World

Tokyo, JP
Tokyo, Japan

Asahi Kasei Construction Materials Corporation

Forward Citations = 2

28 inventors:

goldMedal Hisashi Mihori (6 out of 8 patents)

silverMedal Yoshihito Fukasawa (3 out of 7 patents)

bronzeMedal Takayuki Kuroda (2 out of 20 patents)

4.  Shigemi Mukaiyama (2 out of 2 patents)

5.  Masato Hamajima (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Asahi Kasei Construction Materials Corporation. Retrieved from https://idiyas.com/company/asahi-kasei-construction-materials

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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