Growing community of inventors

Gifu-ken, Japan

Takeshi Yamakawa

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 = 10

Takeshi YamakawaHideki Andoh (2 patents)Takeshi YamakawaTakeshi Yamakawa (2 patents)Hideki AndohHideki Andoh (6 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Pacific Engineering Corporation (2 from 56 patents)


2 patents:

1. D671504 - Fuse

2. D671080 - Fuse

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as of
12/15/2025
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