For the Inventor, By the Inventor

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Onsen-gun, Japan

Iura Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 19

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4 inventors (with patents filed for the assignee):

Keiji Yamamoto (2 out of 2 patents)

Tadashi Iura (2 out of 11 patents)

Yoshiyuki Tsukamura (1 out of 1 patent)

4. Kazuki Mori (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 7003820 - Supportive device for handicapped people (2006-02-28),

2. 6568233 - Method and apparatus of diametrically expanding metal shafts (2003-05-27),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#1 in Onsen-gun

#10,962 in Japan

Onsen-gun, Japan

Iura Co., Ltd.

Forward Citations = 19

4 inventors:

Keiji Yamamoto (2 out of 2 patents)

Tadashi Iura (2 out of 11 patents)

Yoshiyuki Tsukamura (1 out of 1 patent)

4. Kazuki Mori (1 out of 2 patents)

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