Growing community of inventors

Tokyo, Japan

Manabu Hamakawa

Average Co-Inventor Count = 3.00

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

Manabu Hamakawa ↔ Yoshio Ohashi (1 patent)Manabu Hamakawa ↔ Shin Yamaguchi (1 patent)Manabu HamakawaManabu Hamakawa (1 patent)Yoshio OhashiYoshio Ohashi (48 patents)Shin YamaguchiShin Yamaguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Group Corporation (1 from 3,475 patents)


1 patent:

1. 12329034 - Audio device and driving method thereof, and display device

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1/3/2026
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