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For the Inventor, By the Inventor

Tokyo, Japan

Cadio Computer Co., Ltd.


USPTO Granted Patents = 2

Forward Citations = 31

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2 inventors (with patents filed for the assignee):

goldMedal Junichi Minamitaka (1 out of 33 patents)

silverMedal Kazuyo Kawashima (1 out of 14 patents)


2 patents:

1. D312980 - Protector for wrist watch (1990-12-18),
2. 4951544 - Apparatus for producing a chord progression available for a melody (1990-08-28),
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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#4,067 in Tokyo

#10,975 in Japan

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Tokyo, Japan

Cadio Computer Co., Ltd.

Forward Citations = 31

2 inventors:

goldMedal Junichi Minamitaka (1 out of 33 patents)

silverMedal Kazuyo Kawashima (1 out of 14 patents)

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