Growing community of inventors

Osaka, Japan

Katsuhisa Ioriya

Average Co-Inventor Count = 4.00

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 = 3

Katsuhisa IoriyaHideki Yagi (1 patent)Katsuhisa IoriyaNaohito Ohashi (1 patent)Katsuhisa IoriyaMasami Muraoka (1 patent)Katsuhisa IoriyaKatsuhisa Ioriya (1 patent)Hideki YagiHideki Yagi (68 patents)Naohito OhashiNaohito Ohashi (30 patents)Masami MuraokaMasami Muraoka (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Pharmaceuticals Company Limited (1 from 174 patents)


1 patent:

1. 5843957 - Naphthyridine derivatives

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as of
1/8/2026
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