Growing community of inventors

Tokyo, Japan

Jo Sakai

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 = 0

Jo SakaiHiroki Ikeda (1 patent)Jo SakaiAtsuki Ishida (1 patent)Jo SakaiHiroshi Oizumi (1 patent)Jo SakaiJo Sakai (1 patent)Hiroki IkedaHiroki Ikeda (47 patents)Atsuki IshidaAtsuki Ishida (13 patents)Hiroshi OizumiHiroshi Oizumi (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Freebit Co., Ltd. (1 from 14 patents)


1 patent:

1. 10575172 - Method and system for setting smartphone account

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1/11/2026
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