Growing community of inventors

Tokyo, Japan

Hirohito Tagawa

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 31

Hirohito TagawaTakashi Morishima (2 patents)Hirohito TagawaHirohito Tagawa (2 patents)Takashi MorishimaTakashi Morishima (22 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Casio Computer Co., Ltd. (2 from 5,234 patents)


2 patents:

1. D370639 - Wrist watch

2. D363234 - Wrist watch

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idiyas.com
as of
1/23/2026
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