Growing community of inventors

TOKYO, Japan

Hirotaka Ishikawa

Average Co-Inventor Count = 7.00

ph-index = 1

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 = 0

Hirotaka IshikawaYoshihiko Suwa (1 patent)Hirotaka IshikawaYoshiyuki Imada (1 patent)Hirotaka IshikawaMasayuki Ebata (1 patent)Hirotaka IshikawaYasunori Yasuda (1 patent)Hirotaka IshikawaYu Sugita (1 patent)Hirotaka IshikawaTakashi Isa (1 patent)Hirotaka IshikawaHirotaka Ishikawa (1 patent)Yoshihiko SuwaYoshihiko Suwa (17 patents)Yoshiyuki ImadaYoshiyuki Imada (16 patents)Masayuki EbataMasayuki Ebata (1 patent)Yasunori YasudaYasunori Yasuda (1 patent)Yu SugitaYu Sugita (1 patent)Takashi IsaTakashi Isa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Interactive Entertainment Inc. (1 from 3,067 patents)

2. Sony Corporation (58,132 patents)

3. Sony Group Corporation (3,492 patents)


1 patent:

1. 12277203 - Information processing system, input device, user authentication method, server device, and biometric authentication device

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