Growing community of inventors

Hiroshima, Japan

Tadashi Hashikawa

Average Co-Inventor Count = 7.00

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 = 4

Tadashi Hashikawa ↔ Takeshi Tanaka (1 patent)Tadashi Hashikawa ↔ Masao Jotatsu (1 patent)Tadashi Hashikawa ↔ Toneri Ohashi (1 patent)Tadashi Hashikawa ↔ Seigo Togawa (1 patent)Tadashi Hashikawa ↔ Masaaki Higaki (1 patent)Tadashi Hashikawa ↔ Toshimasa Hamada (1 patent)Tadashi HashikawaTadashi Hashikawa (1 patent)Takeshi TanakaTakeshi Tanaka (9 patents)Masao JotatsuMasao Jotatsu (2 patents)Toneri OhashiToneri Ohashi (1 patent)Seigo TogawaSeigo Togawa (1 patent)Masaaki HigakiMasaaki Higaki (1 patent)Toshimasa HamadaToshimasa Hamada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Kobe Seiko Sho (1 from 1,100 patents)


1 patent:

1. 4586664 - Bearing supporting system for cone crusher

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as of
1/21/2026
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