For the Inventor, By the Inventor

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Toyo Shutter Co., Ltd.

USPTO Granted Patents = 3

Forward Citations = 10

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7 inventors (with patents filed for the assignee):

Hitoshi Kimura (1 out of 7 patents)

Hiroyuki Yoshida (1 out of 20 patents)

Mitsuru Morotome (1 out of 1 patent)

4. Atsushi Irie (1 out of 1 patent)

5. Mizuki Yamauchi (1 out of 1 patent)

6. Yukikazu Takeda (1 out of 1 patent)

7. Satoshi Okada (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7510055 - Door device of elevator (2009-03-31),

2. 5475957 - Building (1995-12-19),

3. 3951232 - Multifloor-type escape bridge apparatus for use in multistory building (1976-04-20),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#835 in Osaka

#8,767 in Japan

Toyo Shutter Co., Ltd.

Forward Citations = 10

7 inventors:

Hitoshi Kimura (1 out of 7 patents)

Hiroyuki Yoshida (1 out of 20 patents)

Mitsuru Morotome (1 out of 1 patent)

4. Atsushi Irie (1 out of 1 patent)

5. Mizuki Yamauchi (1 out of 1 patent)

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