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Kajima Corporation

USPTO Granted Patents = 150

CIPO Patents = 1

EPO Patents = 8

Trademarks = 5

Forward Citations = 2,116

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387 inventors (with patents filed for the assignee):

Takuji Kobori (15 out of 15 patents)

Kuniaki Sato (14 out of 23 patents)

Koji Ishii (12 out of 23 patents)

4. Isao Nishimura (10 out of 34 patents)

5. Mitsuo Sakamoto (9 out of 17 patents)

6. Jun Tagami (9 out of 9 patents)

7. Shigeyuki Akihama (9 out of 10 patents)

8. Nobuyuki Matsui (8 out of 8 patents)

9. Naoki Niwa (7 out of 7 patents)

10. Katsuyasu Sasaki (7 out of 7 patents)

11. Mikio Kobayashi (7 out of 7 patents)

12. Tatsuo Suenaga (7 out of 7 patents)

13. Shigeru Ban (6 out of 9 patents)

14. Toshiyuki Hino (6 out of 11 patents)

15. Mitsuhiro Shibazaki (6 out of 9 patents)

Core Competencies:

Pluripotent Stem Cells

Concrete Curing

Nanocarbon Production

Magnetic Shielding

Groundwater Monitoring

Seismic Response Control

Vibration Control Devices

Hydraulic Dampers

Building Performance Analysis

Marine Structures

Ice Forming Equipment

Pneumatic Transfer Systems

150 patents: Sort by Forward Citations

1. 10370632 - Facility for culturing pluripotent stem cells (2019-08-06),

2. 10184240 - Tank and method for constructing dike (2019-01-22),

3. 9976314 - Method for manufacturing concrete structure, concrete curing sheet for curing concrete (2018-05-22),

4. 9403682 - Method for producing nanocarbon and catalytic reaction device for producing nanocarbon (2016-08-02),

5. 8470406 - Method of spray application, and spray apparatus, for bentonite material (2013-06-25),

6. 8426045 - Internal-resistance measuring device for response-delay type fuel cell (2013-04-23),

7. 8066422 - Material moisture content adjustment method (2011-11-29),

8. 7964803 - Magnetic shield structure having openings and a magnetic material frame therefor (2011-06-21),

9. 7947245 - Method for producing nanocarbon and catalytic reaction device for producing nanocarbon (2011-05-24),

10. 7767182 - Method for producing functional nanocarbon and hydrogen by direct decomposition of lower hydrocarbon (2010-08-03),

11. 7501588 - Magnetic shielding door and magnetic shielding room (2009-03-10),

12. 7493954 - Systems and methods for installation, design and operation of groundwater monitoring systems in boreholes (2009-02-24),

13. 7287934 - Stratum disposal monitoring system (2007-10-30),

14. 7280877 - Facility control monitor method and facility control monitor apparatus (2007-10-09),

15. 7234574 - Damping coefficient switching-type hydraulic damper (2007-06-26),

Kajima Corporation is a leading Japanese construction company, providing a wide range of services in the fields of construction, engineering, and real estate development. With a history dating back to 1840, Kajima has gained extensive expertise and experience in the construction industry. The company is committed to creating sustainable and innovative solutions, while prioritizing safety, quality, and customer satisfaction. Headquartered in Tokyo, Kajima has expanded its operations globally and is recognized for delivering high-quality projects in various sectors, including residential, commercial, industrial, and infrastructure.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

150 Patents

#373 in Tokyo

#832 in Japan

#5,307 in the World

Kajima Corporation

Forward Citations = 2,116

387 inventors:

Takuji Kobori (15 out of 15 patents)

Kuniaki Sato (14 out of 23 patents)

Koji Ishii (12 out of 23 patents)

4. Isao Nishimura (10 out of 34 patents)

5. Mitsuo Sakamoto (9 out of 17 patents)

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