Iwata, Japan

Yamaha Hatsukoko Kabushiki Kaisha


USPTO Granted Patents = 3

Forward Citations = 22

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2 inventors (with patents filed for the assignee):

goldMedal Hiromitsu Matsumoto (3 out of 31 patents)

silverMedal Keiichi Sugiyama (3 out of 20 patents)


3 patents:

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USPTO Data Jan 1 1976 - Dec 9 2025

3 Patents

#5 in Iwata

#8,780 in Japan

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Iwata, Japan
Forward Citations = 22

2 inventors:

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