Hiei Kensetsu Corporation

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USPTO Granted Patents = 4

Forward Citations = 9

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6 inventors (with patents filed for the assignee):

Akira Ishibashi (3 out of 12 patents)

Fusao Ishibashi (2 out of 3 patents)

Tsukio Eto (1 out of 1 patent)

4. Nobutoshi Noguchi (1 out of 1 patent)

5. Junji Matsuda (1 out of 1 patent)

6. Tsukasa Kondo (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 11402108 - Wall, system of highly clean rooms, production method thereof and construction (2022-08-02),

2. 11364465 - Building, and method for controlling gas molecule concentration in living and/or activity space in building (2022-06-21),

3. 10677483 - Wall, system of highly clean rooms, production method thereof and construction (2020-06-09),

4. 9952129 - Failure detection sensor, failure detection system, and structure (2018-04-24),

Company Overview

Hiei Kensetsu Corporation is a leading construction company that specializes in residential and commercial projects. With a team of experienced professionals, we provide top quality construction services, from design to completion. Our commitment to excellence, integrity, and customer satisfaction sets us apart in the industry. Visit our website to learn more about our services and projects.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#13 in Sapporo

#7,590 in Japan

Sapporo, Japan