Growing community of inventors

Sunto-gun, Japan

Hirokazu Koshimura

Average Co-Inventor Count = 5.00

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 = 11

Hirokazu Koshimura ↔ Shunji Ichikawa (1 patent)Hirokazu Koshimura ↔ Shigeto Kitamura (1 patent)Hirokazu Koshimura ↔ Toshiaki Kumazawa (1 patent)Hirokazu Koshimura ↔ Shigeru Aono (1 patent)Hirokazu KoshimuraHirokazu Koshimura (1 patent)Shunji IchikawaShunji Ichikawa (21 patents)Shigeto KitamuraShigeto Kitamura (16 patents)Toshiaki KumazawaToshiaki Kumazawa (11 patents)Shigeru AonoShigeru Aono (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kyowa Hakko Kogyo Co., Ltd. (1 from 730 patents)


1 patent:

1. 6150355 - Phenylpiperidine derivative

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12/7/2025
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