Growing community of inventors

Hamamatsu, Japan

Akihiro Sonogi

Average Co-Inventor Count = 2.19

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 = 1

Akihiro SonogiMitsutaka Goto (1 patent)Akihiro SonogiTsutomu Watanabe (1 patent)Akihiro SonogiMizuyuki Shirai (1 patent)Akihiro SonogiYuji Sakurai (1 patent)Akihiro SonogiKenji Ishibashi (1 patent)Akihiro SonogiShinya Sonoda (1 patent)Akihiro SonogiTakahiro Senda (1 patent)Akihiro SonogiHiroshi Kotaki (1 patent)Akihiro SonogiHitomi Shimizu (1 patent)Akihiro SonogiAkihiro Sonogi (3 patents)Mitsutaka GotoMitsutaka Goto (13 patents)Tsutomu WatanabeTsutomu Watanabe (8 patents)Mizuyuki ShiraiMizuyuki Shirai (6 patents)Yuji SakuraiYuji Sakurai (5 patents)Kenji IshibashiKenji Ishibashi (4 patents)Shinya SonodaShinya Sonoda (2 patents)Takahiro SendaTakahiro Senda (1 patent)Hiroshi KotakiHiroshi Kotaki (1 patent)Hitomi ShimizuHitomi Shimizu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamaha Corporation (3 from 5,451 patents)


3 patents:

1. 11985489 - Sound processing method, terminal, and sound system

2. 11877107 - Microphone device

3. 9695610 - Speaker cover

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as of
12/17/2025
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