For the Inventor, By the Inventor

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Etani Electronics Co., Ltd.

USPTO Granted Patents = 2

EPO Patents = 1

Forward Citations = 7

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4 inventors (with patents filed for the assignee):

Koichi Tsuchiya (2 out of 5 patents)

Shokichiro Hino (2 out of 3 patents)

Daisuke Higashihara (2 out of 6 patents)

4. Tomohiko Endo (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 7787635 - Dip filter frequency characteristic decision method (2010-08-31),

2. 7260227 - Method and device for measuring sound wave propagation time between loudspeaker and microphone (2007-08-21),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#4,067 in Tokyo

#10,975 in Japan

Etani Electronics Co., Ltd.

Forward Citations = 7

4 inventors:

Koichi Tsuchiya (2 out of 5 patents)

Shokichiro Hino (2 out of 3 patents)

Daisuke Higashihara (2 out of 6 patents)

4. Tomohiko Endo (2 out of 2 patents)

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