Tokyo, Japan

Kajima Kensetsu Kabushiki Kaisha


USPTO Granted Patents = 9

Forward Citations = 180

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32 inventors (with patents filed for the assignee):

goldMedal Tomoyasu Kato (2 out of 4 patents)

silverMedal Toshio Saeki (2 out of 3 patents)

bronzeMedal Munetaka Kubota (2 out of 2 patents)

4 Kozo Toyama (2 out of 2 patents)

5 Hajime Koizumi (2 out of 4 patents)

6 Hajime Hatano (2 out of 2 patents)

7 Mikio Kobayashi (2 out of 2 patents)

8 Kaoru Mizukoshi (2 out of 2 patents)

9 Shinichi Tamanaga (2 out of 2 patents)

10 Keizo Miyakawa (2 out of 2 patents)

11 Makoto Saito (1 out of 98 patents)

12 Toshiyuki Hino (1 out of 11 patents)

13 Shigeyuki Akihama (1 out of 10 patents)

14 Takumi Nakamura (1 out of 2 patents)

15 Hiroshi Fujita (1 out of 7 patents)


9 patents:

Kajima Corporation is a construction company based in Tokyo, Japan. It is one of the largest and oldest construction companies in the world, with a history dating back over 175 years. Kajima specializes in a wide range of construction projects, including residential, commercial, industrial, and infrastructure. With a strong focus on innovation and sustainability, Kajima is committed to delivering high-quality, environmentally-friendly projects that meet the needs of their clients and communities.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#1,787 in Tokyo

#4,573 in Japan

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Tokyo, Japan
Forward Citations = 180

32 inventors:

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