Growing community of inventors

Kariya, Japan

Hiroyoshi Hiejima

Average Co-Inventor Count = 6.00

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 = 2

Hiroyoshi Hiejima ↔ Takuya Niimi (1 patent)Hiroyoshi Hiejima ↔ Akihiro Okamoto (1 patent)Hiroyoshi Hiejima ↔ Ryo Okazaki (1 patent)Hiroyoshi Hiejima ↔ Takayuki Hayashi (1 patent)Hiroyoshi Hiejima ↔ Keiki Sugano (1 patent)Hiroyoshi HiejimaHiroyoshi Hiejima (1 patent)Takuya NiimiTakuya Niimi (7 patents)Akihiro OkamotoAkihiro Okamoto (4 patents)Ryo OkazakiRyo Okazaki (3 patents)Takayuki HayashiTakayuki Hayashi (3 patents)Keiki SuganoKeiki Sugano (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aisin Seiki Kabushiki Kaisha (1 from 5,207 patents)


1 patent:

1. 9719459 - Sliding component for internal combustion engine and method of manufacturing sliding component for internal combustion engine

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as of
12/17/2025
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