Growing community of inventors

Tokyo, Japan

Hisayuki Tanaka

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 = 21

Hisayuki TanakaSeiji Kato (2 patents)Hisayuki TanakaHisayuki Tanaka (2 patents)Seiji KatoSeiji Kato (26 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daiwa Seiko, Inc. (2 from 602 patents)


2 patents:

1. 5822912 - Lure with stabilized movement

2. 5561938 - Lure with stabilized movement

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idiyas.com
as of
1/5/2026
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