SF

Sachiko FUKUSHIMA

RG Rakuten Group: 4 patents #49 of 553Top 9%
Overall (All Time): #1,084,368 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12432522 Service providing system, service providing method and program 2025-09-30
12407683 Authentication system, authentication method and program Yeongnam CHAE 2025-09-02
12315001 Electronic payment system, electronic payment method, and information storage medium 2025-05-27
11941657 Information processing system, method, and medium Tsuneo Tsuchiya, Nanase Kato 2024-03-26