Growing community of inventors

Tokyo, Japan

Syoji Moriyama

Average Co-Inventor Count = 11.00

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 = 7

Syoji Moriyama ↔ Takao Yoshioka (1 patent)Syoji Moriyama ↔ Tomoyuki Kurumada (1 patent)Syoji Moriyama ↔ Eiko Mori (1 patent)Syoji Moriyama ↔ Toshimasa Toda (1 patent)Syoji Moriyama ↔ Hideo Horiuchi (1 patent)Syoji Moriyama ↔ Susumu Higashida (1 patent)Syoji Moriyama ↔ Katsuaki Matsui (1 patent)Syoji Moriyama ↔ Hisayou Ohsawa (1 patent)Syoji Moriyama ↔ Noriyuki Ohata (1 patent)Syoji Moriyama ↔ Keisuku Murayama (1 patent)Syoji MoriyamaSyoji Moriyama (1 patent)Takao YoshiokaTakao Yoshioka (53 patents)Tomoyuki KurumadaTomoyuki Kurumada (36 patents)Eiko MoriEiko Mori (16 patents)Toshimasa TodaToshimasa Toda (15 patents)Hideo HoriuchiHideo Horiuchi (12 patents)Susumu HigashidaSusumu Higashida (11 patents)Katsuaki MatsuiKatsuaki Matsui (11 patents)Hisayou OhsawaHisayou Ohsawa (5 patents)Noriyuki OhataNoriyuki Ohata (2 patents)Keisuku MurayamaKeisuku Murayama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sankyo Company, Limited (1 from 613 patents)


1 patent:

1. 4005094 - Piperidine-spiro-hydantoin derivatives

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as of
1/8/2026
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