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Ashiya, Japan

Hisashi Tanaka

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 31

Hisashi Tanaka ↔ Akira Yokoyama (2 patents)Hisashi Tanaka ↔ Hideo Saji (1 patent)Hisashi Tanaka ↔ Yasushi Arano (1 patent)Hisashi Tanaka ↔ Akira Yamada (1 patent)Hisashi Tanaka ↔ Yoshiro Omomo (1 patent)Hisashi TanakaHisashi Tanaka (2 patents)Akira YokoyamaAkira Yokoyama (14 patents)Hideo SajiHideo Saji (24 patents)Yasushi AranoYasushi Arano (11 patents)Akira YamadaAkira Yamada (8 patents)Yoshiro OmomoYoshiro Omomo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nihon Medi-Physics Company, Limited (2 from 142 patents)


2 patents:

1. 4444743 - Radioactive diagnostic agent and its preparation

2. 4425319 - Radioactive diagnostic agent and non-radioactive carrier therefor

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as of
1/5/2026
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