Growing community of inventors

Tokyo, Japan

Takuya Ookawa

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

Takuya Ookawa ↔ Masao Iguchi (1 patent)Takuya Ookawa ↔ Tadayuki Shibuya (1 patent)Takuya OokawaTakuya Ookawa (1 patent)Masao IguchiMasao Iguchi (6 patents)Tadayuki ShibuyaTadayuki Shibuya (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fenwal Controls of Japan, Ltd. (1 from 9 patents)


1 patent:

1. 9297753 - Photoelectric smoke sensor

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as of
12/9/2025
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