Tokyo, Japan

Hakusan Corporation


USPTO Granted Patents = 17

% Expired Patents = 5.9



Trademarks = 6

Forward Citations = 4

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26 inventors (with patents filed for the assignee):

goldMedal Motohito Takezaki (5 out of 5 patents)

silverMedal Shohei Ueno (5 out of 6 patents)

bronzeMedal Moriaki Kobayashi (4 out of 5 patents)

4.  Minoru Yoshida (2 out of 133 patents)

5.  Hideki Kamitsuna (1 out of 7 patents)

6.  Li-Yun Chen (1 out of 4 patents)

7.  Shigeo Hirose (1 out of 17 patents)

8.  Ryo Nagase (1 out of 3 patents)

9.  Kazumasa Tsukada (1 out of 2 patents)

10.  Shigeyuki Tsurumi (1 out of 1 patent)

11.  Kazumasa Yasuda (1 out of 1 patent)

12.  Takeshi Sotome (1 out of 1 patent)

13.  Mikio Koyano (1 out of 3 patents)

14.  Takeshi Toyoda (1 out of 1 patent)

15.  Akinari Matoba (1 out of 1 patent)


17 patents:

Company Overview
Hakusan Corporation, headquartered in Tokyo, specializes in the development and manufacturing of advanced materials and components for various industries. The company focuses on innovative solutions in fields such as electronics, automotive, and environmental technology. With a commitment to research and development, Hakusan aims to enhance product performance and sustainability through cutting-edge technologies. Its expertise in material science positions it as a key player in driving advancements across multiple sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

17 Patents

#1,454 in Tokyo

#3,226 in Japan

#35,887 in the World

Tokyo, JP
Tokyo, Japan
Forward Citations = 4

26 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hakusan Corporation. Retrieved from https://idiyas.com/company/hakusan

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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