Growing community of inventors

Higashimatsuyama, Japan

Hitoshi Koyano

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 = 4

Hitoshi Koyano ↔ Shozo Sakaguchi (1 patent)Hitoshi KoyanoHitoshi Koyano (1 patent)Shozo SakaguchiShozo Sakaguchi (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Jidosha Kiki Co., Ltd. (1 from 376 patents)


1 patent:

1. 5462341 - Proportioning valve

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as of
12/19/2025
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