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Inazawa, Japan

Koichi Ogawa

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 = 0

Koichi Ogawa ↔ Tsunehiko Kataoka (2 patents)Koichi Ogawa ↔ Akira Hashimoto (1 patent)Koichi Ogawa ↔ Masayuki Konishi (1 patent)Koichi Ogawa ↔ Seiji Yoshida (1 patent)Koichi Ogawa ↔ Sinzou Watanabe (1 patent)Koichi Ogawa ↔ Syouji Kitakaji (1 patent)Koichi Ogawa ↔ Yoshiaki Nagara (1 patent)Koichi OgawaKoichi Ogawa (2 patents)Tsunehiko KataokaTsunehiko Kataoka (2 patents)Akira HashimotoAkira Hashimoto (4 patents)Masayuki KonishiMasayuki Konishi (3 patents)Seiji YoshidaSeiji Yoshida (2 patents)Sinzou WatanabeSinzou Watanabe (1 patent)Syouji KitakajiSyouji Kitakaji (1 patent)Yoshiaki NagaraYoshiaki Nagara (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Eisai Company, Limited (2 from 677 patents)


2 patents:

1. 4458018 - Process for purifying elastase

2. 4150117 - Process for the preparation of gastrointestinal hormone

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12/9/2025
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