Growing community of inventors

Kanagawa, Japan

Hidehiko Yamamoto

Average Co-Inventor Count = 6.00

ph-index = 2

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 = 6

Hidehiko YamamotoHiroshi Kawashima (4 patents)Hidehiko YamamotoKiyoshi Omori (4 patents)Hidehiko YamamotoHitoshi Taniguchi (4 patents)Hidehiko YamamotoKazuya Sunami (4 patents)Hidehiko YamamotoMasazumi Shiozawa (4 patents)Hidehiko YamamotoHidehiko Yamamoto (4 patents)Hiroshi KawashimaHiroshi Kawashima (68 patents)Kiyoshi OmoriKiyoshi Omori (34 patents)Hitoshi TaniguchiHitoshi Taniguchi (9 patents)Kazuya SunamiKazuya Sunami (6 patents)Masazumi ShiozawaMasazumi Shiozawa (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (4 from 58,129 patents)


4 patents:

1. 7411874 - Recording and/or playback device

2. 7362666 - Recording and/or playback device

3. 7359292 - Recording and/or playback device

4. 7342849 - Recording and/or playback device

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as of
12/10/2025
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