Growing community of inventors

Tokyo, Japan

Toshiyuki Sonoda

Average Co-Inventor Count = 1.60

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 82

Toshiyuki SonodaTakekazu Iijima (2 patents)Toshiyuki SonodaYuki Iida (1 patent)Toshiyuki SonodaTatsufumi Funayama (1 patent)Toshiyuki SonodaYoshinori Nakatsuka (1 patent)Toshiyuki SonodaTetsuya Kamata (1 patent)Toshiyuki SonodaToshiyuki Sonoda (6 patents)Takekazu IijimaTakekazu Iijima (30 patents)Yuki IidaYuki Iida (14 patents)Tatsufumi FunayamaTatsufumi Funayama (12 patents)Yoshinori NakatsukaYoshinori Nakatsuka (5 patents)Tetsuya KamataTetsuya Kamata (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Pioneer Corporation (4 from 2,649 patents)

2. Pioneer Kabushiki Kaisha (2 from 75 patents)


6 patents:

1. D616410 - Digital audio disk player with mixing functions

2. D593544 - Audio mixer

3. D563913 - Television receiver

4. D518456 - Digital video disc recorder

5. D512700 - Digital video disc recorder

6. D497148 - Digital video disc recorder

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as of
1/7/2026
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