Growing community of inventors

Oiso, Japan

Hiroshi Yamamura

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 = 2

Hiroshi Yamamura ↔ Tetsuro Watanabe (1 patent)Hiroshi Yamamura ↔ Hiroshi Ohyama (1 patent)Hiroshi Yamamura ↔ Ken Morita (1 patent)Hiroshi Yamamura ↔ Kuniomi Matsumoto (1 patent)Hiroshi Yamamura ↔ Yoshiko Miyamoto (1 patent)Hiroshi Yamamura ↔ Tamio Nishimura (1 patent)Hiroshi YamamuraHiroshi Yamamura (1 patent)Tetsuro WatanabeTetsuro Watanabe (16 patents)Hiroshi OhyamaHiroshi Ohyama (10 patents)Ken MoritaKen Morita (6 patents)Kuniomi MatsumotoKuniomi Matsumoto (5 patents)Yoshiko MiyamotoYoshiko Miyamoto (2 patents)Tamio NishimuraTamio Nishimura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Meiji Seika Kaisha, Ltd. (1 from 382 patents)

2. Hokko Chemical Industry Co., Ltd. (1 from 58 patents)


1 patent:

1. 4405743 - Pyrazolylpyrimidine derivatives

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12/9/2025
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