Growing community of inventors

Hiroshima, Japan

Kazunari Yasui

Average Co-Inventor Count = 4.44

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 = 4

Kazunari YasuiEtsunori Fujita (2 patents)Kazunari YasuiKazuhiro Takenaka (2 patents)Kazunari YasuiYumi Ogura (1 patent)Kazunari YasuiShigeki Wagata (1 patent)Kazunari YasuiTakao Uchiyama (1 patent)Kazunari YasuiKazunari Yasui (2 patents)Etsunori FujitaEtsunori Fujita (112 patents)Kazuhiro TakenakaKazuhiro Takenaka (3 patents)Yumi OguraYumi Ogura (59 patents)Shigeki WagataShigeki Wagata (10 patents)Takao UchiyamaTakao Uchiyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Delta Tooling Co., Ltd. (2 from 123 patents)


2 patents:

1. 10271119 - Headrest having speaker

2. 10227229 - Method for manufacturing headrest, and headrest

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as of
1/8/2026
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