Tomokazu SAKAI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic payment system and electronic payment method
- Patent number 12,307,441
- Issue date May 20, 2025
- Hitachi, Ltd.
- Suguru Nagahora
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND P...
- Publication number 20250148656
- Publication date May 8, 2025
- SONY GROUP CORPORATION
- Keiichi YOSHIOKA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TOKEN MANAGEMENT METHOD, END-USER MANAGEMENT APPARATUS, AND TOKEN P...
- Publication number 20230370266
- Publication date Nov 16, 2023
- Hitachi, Ltd
- Yuki KONDO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC PAYMENT SYSTEM AND ELECTRONIC PAYMENT METHOD
- Publication number 20230325822
- Publication date Oct 12, 2023
- Hitachi, Ltd
- Suguru NAGAHORA
- G06 - COMPUTING CALCULATING COUNTING