Growing community of inventors

Osaka, Japan

Katsuya Matsumura

Average Co-Inventor Count = 1.71

ph-index = 3

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 = 39

Katsuya Matsumura ↔ Kenichi Haruguchi (1 patent)Katsuya Matsumura ↔ Youichi Tatsuta (1 patent)Katsuya Matsumura ↔ Yamaguchi Kiminori (1 patent)Katsuya Matsumura ↔ Teruko Sakaguchi (1 patent)Katsuya MatsumuraKatsuya Matsumura (3 patents)Kenichi HaruguchiKenichi Haruguchi (18 patents)Youichi TatsutaYouichi Tatsuta (3 patents)Yamaguchi KiminoriYamaguchi Kiminori (1 patent)Teruko SakaguchiTeruko Sakaguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sharp Corporation (3 from 847 patents)


3 patents:

1. D317454 - Refrigerator

2. D284124 - Washing machine

3. D265196 - Record player

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idiyas.com
as of
12/18/2025
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