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Takenaka Corporation

USPTO Granted Patents = 61

% Expired Patents = 14.8

CIPO Patents = 1

EPO Patents = 8

Trademarks = 4

Forward Citations = 807

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193 inventors (with patents filed for the assignee):

Toshio Yonezawa (8 out of 11 patents)

Toshio Saito (6 out of 33 patents)

Mamoru Shinozaki (5 out of 9 patents)

4. Yukuo Shinozaki (5 out of 5 patents)

5. Mitsuo Kinoshita (4 out of 28 patents)

6. Keita Yamazaki (4 out of 4 patents)

7. Kenrou Mitsui (4 out of 5 patents)

8. Sadatoshi Ohno (4 out of 4 patents)

9. Takatoshi Ogawa (3 out of 13 patents)

10. Haruka Kiyotomo (3 out of 4 patents)

11. Takaaki Shimizu (3 out of 4 patents)

12. Tomohiro Nakashima (3 out of 4 patents)

13. Nobuyasu Okuda (3 out of 4 patents)

14. Yasuhide Furukawa (3 out of 4 patents)

15. Yuji Yamazaki (3 out of 4 patents)

Core Competencies:

High-Strength Cement

Vibration Suppression

Electromagnetic Wave Absorption

Cement Composition

Seismic Isolator

Photocatalytic Material

Concrete Leveling

Cogeneration System

Soil Purification

Structural Health Monitoring

Damping Support

Building Materials

61 patents: Sort by Forward Citations

1. 12293150 - Posted information extraction control device and computer readable storage medium (2025-05-06),

2. 11231406 - Ground injection agent concentration estimation method (2022-01-25),

3. 11084075 - Subsurface soil purification method (2021-08-10),

4. 11000885 - Contaminated soil purification method (2021-05-11),

5. 10988928 - Steel-framed concrete beam and method for constructing steel-framed concrete beam (2021-04-27),

6. 8893439 - Building (2014-11-25),

7. 8531185 - Magnetic shield body and magnetic shielded room (2013-09-10),

8. 8194066 - Cross-sectional image display apparatus, cross-sectional image display method, and computer readable recording medium storing cross-sectional image display program (2012-06-05),

9. 7492911 - Noise reducing device (2009-02-17),

10. 7265168 - High-strength hydraulic cement compositions (2007-09-04),

11. 7259197 - Ultra high-strength hydraulic cement compositions (2007-08-21),

12. 7254923 - Prefixed advertisement structure integrated with glass sash wall of building (2007-08-14),

13. 7160049 - Paving material for absorbing electromagnetic wave and pavement structure using it (2007-01-09),

14. 7144376 - Liable cardiac muscle diagnosing apparatus and liable cardiac muscle analyzing method by magnetic field measurements (2006-12-05),

15. 7123952 - Cardiac magnetic field diagnozer for atrial flutter and atrial fibrillation and method for identifying electric turning path of atrial flutter and atrial fibrillation (2006-10-17),

Company Overview

Takenaka Corporation, headquartered in Osaka, Japan, specializes in the development and manufacturing of advanced construction materials. The company focuses on innovative technologies such as high-strength cement, vibration suppression systems, and electromagnetic wave absorption materials. Additionally, Takenaka is known for its expertise in seismic isolators, photocatalytic materials, and concrete leveling solutions, contributing to safer and more sustainable construction practices. Their commitment to research and development positions them as a leader in the construction materials sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

61 Patents

#165 in Osaka

#1,512 in Japan

#11,923 in the World

Takenaka Corporation

Forward Citations = 807

193 inventors:

Toshio Yonezawa (8 out of 11 patents)

Toshio Saito (6 out of 33 patents)

Mamoru Shinozaki (5 out of 9 patents)

4. Yukuo Shinozaki (5 out of 5 patents)

5. Mitsuo Kinoshita (4 out of 28 patents)

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

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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