Growing community of inventors

Hiroshima, Japan

Ryotaro Shinagawa

Average Co-Inventor Count = 2.86

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

Ryotaro ShinagawaKouji Sakota (1 patent)Ryotaro ShinagawaSeiji Miura (1 patent)Ryotaro ShinagawaNaoki Oda (1 patent)Ryotaro ShinagawaYuki Funaki (1 patent)Ryotaro ShinagawaTadayoshi Takeuchi (1 patent)Ryotaro ShinagawaRyotaro Shinagawa (2 patents)Kouji SakotaKouji Sakota (10 patents)Seiji MiuraSeiji Miura (6 patents)Naoki OdaNaoki Oda (2 patents)Yuki FunakiYuki Funaki (1 patent)Tadayoshi TakeuchiTadayoshi Takeuchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Keylex Corporation (2 from 19 patents)

2. Seki Kogyo Co., Ltd. (1 from 10 patents)


2 patents:

1. 11975364 - Component transfer device

2. 11707795 - Welding apparatus and plate thickness testing method for welding apparatus

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idiyas.com
as of
1/10/2026
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