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Sekisui House, Ltd.

USPTO Granted Patents = 48

Trademarks = 5

Forward Citations = 29

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105 inventors (with patents filed for the assignee):

Masayuki Ogawa (7 out of 7 patents)

Toshiyuki Osada (6 out of 6 patents)

Kazuki Ichikawa (6 out of 6 patents)

4. Yoshiyuki Matsubara (5 out of 11 patents)

5. Takahiro Suezawa (5 out of 5 patents)

6. Hiroki Yamaguchi (4 out of 18 patents)

7. Hideki Watanabe (3 out of 9 patents)

8. Tomoya Hatae (3 out of 3 patents)

9. Kazunori Fujihashi (3 out of 8 patents)

10. Takeshi Miki (3 out of 7 patents)

11. Yuusuke Minami (3 out of 3 patents)

12. Chiho Hiraoka (3 out of 3 patents)

13. Shouto Iwata (3 out of 3 patents)

14. Yuuta Kawazoe (3 out of 3 patents)

15. Shintarou Kawakami (3 out of 3 patents)

Core Competencies:

Anchor Support

Building Structure

Foundation Construction

Roof Structure

Sound Insulation

Health Management

Solar Cell Module

Partition Wall

Load-Bearing Panel

Construction Method

Emergency Response

Simulation System

48 patents: Sort by Forward Citations

1. 12760923 - Ventilation system and building equipped with ventilation system (2026-10-13),

2. 12760524 - Exterior wall structure and building including exterior wall structure (2026-10-13),

3. 12760514 - Heat-insulating waterproof structure, heat-insulating waterproof member, and method for installing heat-insulating waterproof structure (2026-10-13),

4. 12709888 - ANCHOR SUPPORT AND ANCHOR INSTALLATION METHOD (2026-08-18),

5. 12680298 - Load-bearing panel and building frame structure (2026-07-14),

6. 12662813 - Building (2026-06-23),

7. 12584319 - Support member, support structure, and outer wall structure (2026-03-24),

8. 12584285 - Foundation construction method and anchor support (2026-03-24),

9. 12571224 - House (2026-03-10),

10. 12565770 - Diagonal beam joining hardware and beam connecting structure (2026-03-03),

11. 12523050 - Anchor support tool and form set for foundation (2026-01-13),

12. 12509873 - Building (2025-12-30),

13. 12500417 - Power supply system (2025-12-16),

14. 12486662 - Anchor support member (2025-12-02),

15. 12467255 - Partitioning storage rack and building (2025-11-11),

Company Overview

Sekisui House, Ltd., headquartered in Osaka, Japan, is a leading company in the residential construction industry, specializing in the development and manufacturing of prefabricated homes and sustainable housing solutions. The company emphasizes innovative design and advanced construction technologies, aiming to enhance living environments while promoting environmental sustainability. With a strong focus on research and development, Sekisui House is committed to integrating smart technologies and eco-friendly practices into its housing projects, catering to diverse market needs across Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

48 Patents

#189 in Osaka

#1,757 in Japan

#14,561 in the World

Sekisui House, Ltd.

Forward Citations = 29

105 inventors:

Masayuki Ogawa (7 out of 7 patents)

Toshiyuki Osada (6 out of 6 patents)

Kazuki Ichikawa (6 out of 6 patents)

4. Yoshiyuki Matsubara (5 out of 11 patents)

5. Takahiro Suezawa (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sekisui House, Ltd.. Retrieved from https://idiyas.com/company/sekisui-house

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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