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Obayashi Corporation

USPTO Granted Patents = 41

Trademarks = 4

Forward Citations = 265

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110 inventors (with patents filed for the assignee):

Tomoya Kaneko (5 out of 12 patents)

Tamaki Horii (5 out of 6 patents)

Yoshihiro Tanaka (4 out of 14 patents)

4. Shigeyuki Sogo (4 out of 4 patents)

5. Koji Watanabe (4 out of 4 patents)

6. Ryuichi Chikamatsu (4 out of 4 patents)

7. Kiyoshi Miya (4 out of 4 patents)

8. Tsuyoshi Aoyama (4 out of 6 patents)

9. Eri Ohmoto (3 out of 3 patents)

10. Satoru Doi (3 out of 3 patents)

11. Koji Hamada (3 out of 30 patents)

12. Maya Kagatani (3 out of 3 patents)

13. Tatsuya Osugi (3 out of 3 patents)

14. Takashi Tsuchiya (3 out of 3 patents)

15. Hiroto Sato (3 out of 3 patents)

Core Competencies:

Air Supply Systems

Disinfection Apparatus

Concrete Measurement Techniques

Wall Reinforcement Methods

Autonomous Guided Vehicles

Waterproofing Compositions

Tunneling Equipment

Inspection Processing Technologies

Three-Dimensional Displacement Measurement

Cable Crane Control Systems

Hydrostatic Anti-Vibration Systems

Concrete Forming Materials

41 patents: Sort by Forward Citations

1. 12146649 - Air supply and lighting system (2024-11-19),

2. 12038279 - Inspection processing system, inspection processing method, and inspection processing program (2024-07-16),

3. 11717588 - Disinfection apparatus (2023-08-08),

4. 11227007 - System, method, and computer-readable medium for managing image (2022-01-18),

5. 11216969 - System, method, and computer-readable medium for managing position of target (2022-01-04),

6. 11094120 - Inspection processing system, inspection processing method, and inspection processing program (2021-08-17),

7. 11077985 - Mounting base member, mounting base, and mounting method (2021-08-03),

8. D913020 - Bearer (2021-03-16),

9. D894645 - Bearer (2020-09-01),

10. 7735356 - Measuring apparatus and measuring method for concrete-forming materials (2010-06-15),

11. 7578207 - Measuring apparatus and measuring method for concrete-forming materials (2009-08-25),

12. 7490439 - Double floor structure (2009-02-17),

13. 7207212 - Device and method for weighing concrete material (2007-04-24),

14. 7000458 - Weighing equipment for concrete material (2006-02-21),

15. 6302621 - Segment for intake tunnels (2001-10-16),

Obayashi Corporation is a Japanese construction company that operates globally. Established in 1892, it has a long history of providing construction, engineering, and infrastructure services. With a focus on high-quality and sustainable projects, Obayashi Corporation has been involved in various sectors, including skyscrapers, transportation infrastructure, power plants, and urban development. Their commitment to innovation and safety has made them a trusted name in the construction industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

41 Patents

#794 in Tokyo

#1,898 in Japan

#16,217 in the World

Obayashi Corporation

Forward Citations = 265

110 inventors:

Tomoya Kaneko (5 out of 12 patents)

Tamaki Horii (5 out of 6 patents)

Yoshihiro Tanaka (4 out of 14 patents)

4. Shigeyuki Sogo (4 out of 4 patents)

5. Koji Watanabe (4 out of 4 patents)

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