Growing community of inventors

Tokyo, Japan

Ryouji Sakai

Average Co-Inventor Count = 7.00

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 = 13

Ryouji Sakai ↔ Toshihiko Tsuji (1 patent)Ryouji Sakai ↔ Kenji Fukuda (1 patent)Ryouji Sakai ↔ Haruki Miyoshi (1 patent)Ryouji Sakai ↔ Shohei Sawada (1 patent)Ryouji Sakai ↔ Tatsuji Nakamura (1 patent)Ryouji Sakai ↔ Takeo Maruyama (1 patent)Ryouji SakaiRyouji Sakai (1 patent)Toshihiko TsujiToshihiko Tsuji (3 patents)Kenji FukudaKenji Fukuda (1 patent)Haruki MiyoshiHaruki Miyoshi (1 patent)Shohei SawadaShohei Sawada (1 patent)Tatsuji NakamuraTatsuji Nakamura (1 patent)Takeo MaruyamaTakeo Maruyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Kinzoku Co., Ltd. (1 from 21 patents)


1 patent:

1. 4052588 - Electric heater panel

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as of
12/20/2025
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