Growing community of inventors

Miyagi, Japan

Takao Igarashi

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 = 1

Takao IgarashiHajime Suzuki (1 patent)Takao IgarashiKazuhiro Yokoyama (1 patent)Takao IgarashiTakao Igarashi (1 patent)Hajime SuzukiHajime Suzuki (8 patents)Kazuhiro YokoyamaKazuhiro Yokoyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alps Alpine Co., Ltd. (1 from 556 patents)


1 patent:

1. 11710610 - Input apparatus

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12/7/2025
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