Growing community of inventors

Nagoya, Japan

Koubun Tanaka

Average Co-Inventor Count = 2.00

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 = 24

Koubun TanakaTakashi Kawaharazaki (1 patent)Koubun TanakaKoubun Tanaka (1 patent)Takashi KawaharazakiTakashi Kawaharazaki (21 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Tokai Rika Denki Seisakusho (1 from 2,002 patents)


1 patent:

1. 4385425 - Buckling device for vehicle seat belt

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12/7/2025
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