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For the Inventor, By the Inventor

both of, Japan

Sano Sharyo Seisakusho Co., Ltd.


USPTO Granted Patents = 1

Forward Citations = 6

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2 inventors (with patents filed for the assignee):

goldMedal Kazuya Maeda (1 out of 4 patents)

silverMedal Yasusuke Ishihara (1 out of 1 patent)


1 patent:

1. 4639004 - Hand cart with fulcrum lever and vertically adjustable auxiliary wheels (1987-01-27),
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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#94 in both of

#15,542 in Japan

...
both of, Japan

Sano Sharyo Seisakusho Co., Ltd.

Forward Citations = 6

2 inventors:

goldMedal Kazuya Maeda (1 out of 4 patents)

silverMedal Yasusuke Ishihara (1 out of 1 patent)

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