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For the Inventor, By the Inventor

Tokyo, Japan

Preseed Japan Corporation


USPTO Granted Patents = 1

Forward Citations = 2

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6 inventors (with patents filed for the assignee):

goldMedal Tomoyoshi Ichinose (1 out of 10 patents)

silverMedal Takuya Sugawara (1 out of 1 patent)

bronzeMedal Hirokazu Tsuchiyama (1 out of 1 patent)

4.  Reina Kobayashi (1 out of 1 patent)

5.  Tien Hong Ng (1 out of 1 patent)

6.  Shuto Inoue (1 out of 1 patent)


1 patent:

1. D1106955 - Charging case for earphones (2025-12-23),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#6,083 in Tokyo

#15,722 in Japan

Tokyo, JP
Tokyo, Japan

Preseed Japan Corporation

Forward Citations = 2

6 inventors:

goldMedal Tomoyoshi Ichinose (1 out of 10 patents)

silverMedal Takuya Sugawara (1 out of 1 patent)

bronzeMedal Hirokazu Tsuchiyama (1 out of 1 patent)

4.  Reina Kobayashi (1 out of 1 patent)

5.  Tien Hong Ng (1 out of 1 patent)

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