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For the Inventor, By the Inventor

Tokyo, Japan

Taisei Corporation


USPTO Granted Patents = 81

% Expired Patents = 19.8


Forward Citations = 643

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206 inventors (with patents filed for the assignee):

goldMedal Sadao Kobayashi (15 out of 32 patents)

silverMedal Yoshihide Wakayama (14 out of 18 patents)

bronzeMedal Yasuro Ito (14 out of 16 patents)

4.  Yasuhiro Yamamoto (10 out of 13 patents)

5.  Masayuki Imafuku (9 out of 10 patents)

6.  Hideharu Kaga (9 out of 9 patents)

7.  Yoshiro Higuchi (8 out of 9 patents)

8.  Yoshihiro Tanaka (6 out of 14 patents)

9.  Tadayuki Sumita (6 out of 6 patents)

10.  Kenji Sugimoto (5 out of 15 patents)

11.  Norifumi Yamamoto (4 out of 4 patents)

12.  Yuji Saito (4 out of 75 patents)

13.  Kouhei Ueda (4 out of 19 patents)

14.  Kenji Kuroha (4 out of 4 patents)

15.  Mitsutaka Hayakawa (4 out of 5 patents)


Core Competencies:
Biodegradation
Dioxane Treatment
Bacteria Cultures
Air Filtration
Cementitious Materials
Clean Room Technology
Microorganism Detection
Concrete Manufacturing
Tunnel Excavation
Hydraulic Compositions
Reinforced Concrete
Environmental Solutions

81 patents:

1. 12547176 - Method and system for optimal coverage path planning for autonomous mobile devices (2026-02-10),
2. 12339667 - Autonomous mobile robots for coverage path planning (2025-06-24),
3. 11618699 - Dioxane-degrading bacteria-immobilized carrier, biodegradation treatment method, and biodegradation treatment apparatus (2023-04-04),
4. 11306013 - Biodegradation treatment method for organic compounds (2022-04-19),
5. 10364415 - 1,4-dioxane-degrading bacteria culture method, medium, and 1,4-dioxane treatment method using 1,4-dioxane-degrading bacteria (2019-07-30),
6. 10329631 - Constitutive 1,4-dioxane-degrading bacteria (2019-06-25),
7. 9840633 - Aqueous writing tool for food product packaging material (2017-12-12),
8. 9145337 - Fiber reinforced cement based mixed material (2015-09-29),
9. 9115026 - Cementitious matrix and fiber reinforced cement based mixture (2015-08-25),
10. 8852337 - Fiber reinforced cement based mixed material (2014-10-07),
11. 8137453 - Fiber reinforced concrete and method of manufacturing fiber reinforced concrete member (2012-03-20),
12. 7846239 - Automatic four-port selector valve (2010-12-07),
13. 7823356 - Shearing force reinforced structure and member (2010-11-02),
14. 7640864 - Non-magnetic concrete structure, a sidewall for a guideway and a method for installing such a sidewall for the guideway (2010-01-05),
15. 7420118 - Electric wire and cable with coating/covering of polyvinyl chloride family resin composition (2008-09-02),
Taisei Corporation is a leading Japanese construction company. With a history spanning over 140 years, Taisei has emerged as a trusted name in delivering innovative and sustainable solutions in the construction industry. Taisei's expertise lies in a wide range of areas including building construction, civil engineering, and environmental solutions. The company's commitment to quality, reliability, and safety has earned them a strong reputation both domestically and internationally.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Taisei Corporation
81 Patents

#619 in Tokyo

#1,288 in Japan

#9,329 in the World

Tokyo, JP
Tokyo, Japan

Taisei Corporation

Forward Citations = 643

206 inventors:

goldMedal Sadao Kobayashi (15 out of 32 patents)

silverMedal Yoshihide Wakayama (14 out of 18 patents)

bronzeMedal Yasuro Ito (14 out of 16 patents)

4.  Yasuhiro Yamamoto (10 out of 13 patents)

5.  Masayuki Imafuku (9 out of 10 patents)

Please report any incorrect information to [email protected]
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