For the Inventor, By the Inventor

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Hitachi Kizai, Inc.

USPTO Granted Patents = 3

Forward Citations = 18

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10 inventors (with patents filed for the assignee):

Haruhiko Kurino (1 out of 4 patents)

Atsuhiko Kobayashi (1 out of 2 patents)

Hironori Ooshima (1 out of 1 patent)

4. Hajime Sugimoto (1 out of 2 patents)

5. Yuji Kotake (1 out of 1 patent)

6. Shii Sen (1 out of 1 patent)

7. Toshikazu Yamada (1 out of 9 patents)

8. Kunihiko Fukunaga (1 out of 1 patent)

9. Hironori Oshima (1 out of 1 patent)

10. Moritaka Sakamoto (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7188820 - Vibration damping floor structure (2007-03-13),

2. 6608558 - Damper device for building, and monitor and control system for damper device (2003-08-19),

3. 6330770 - Free access floor (2001-12-18),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#3,263 in Tokyo

#8,771 in Japan

Hitachi Kizai, Inc.

Forward Citations = 18

10 inventors:

Haruhiko Kurino (1 out of 4 patents)

Atsuhiko Kobayashi (1 out of 2 patents)

Hironori Ooshima (1 out of 1 patent)

4. Hajime Sugimoto (1 out of 2 patents)

5. Yuji Kotake (1 out of 1 patent)

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