Forward Citations = 3

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2 inventors (with patents filed for the assignee):

Iwao Numakura (1 out of 17 patents)

Takashi Numakura (1 out of 14 patents)

1 patent: Sort by Forward Citations

#5,730 in Tokyo

#15,542 in Japan

Yamotoya & Co., Ltd.

Forward Citations = 3

2 inventors:

Iwao Numakura (1 out of 17 patents)

Takashi Numakura (1 out of 14 patents)

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