For the Inventor, By the Inventor

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Hirakata-shi, Japan

Sawa Corporation

USPTO Granted Patents = 3

EPO Patents = 1

Forward Citations = 11

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5 inventors (with patents filed for the assignee):

Takashi Sawa (2 out of 2 patents)

Takashi Kawamoto (1 out of 11 patents)

Yoshihiro Okamoto (1 out of 2 patents)

4. Mitsuhiro Takeda (1 out of 2 patents)

5. Takashi Sawa (0 patent)

3 patents: Sort by Forward Citations

1. 8595891 - Device for removing adhered substances (2013-12-03),

2. 8510911 - Automatic door closing hinge and double swing door structure (2013-08-20),

3. 8387210 - Automatic door closing hinge and double swing door structure (2013-03-05),

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#2 in Hirakata-shi

#8,780 in Japan

Hirakata-shi, Japan

Sawa Corporation

Forward Citations = 11

5 inventors:

Takashi Sawa (2 out of 2 patents)

Takashi Kawamoto (1 out of 11 patents)

Yoshihiro Okamoto (1 out of 2 patents)

4. Mitsuhiro Takeda (1 out of 2 patents)

5. Takashi Sawa (0 patent)

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