List of platform operators and examples
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This page introduces 23 platform operators * that have introduced Japanese Public Key Infrastructure (as of June 9, 2025) and examples of their introduction. We provide reference information such as how they are introduced in what industries and services, and what benefits they have for private sector and customers. We hope you will find it useful in considering the introduction.
*For the explanation of the platform operator, please refer to Japanese Public Key Infrastructure (JPKI) "6.1 Service Introduction Method" .
1. List of Business Operators and Examples
Click on a business name in the list to view case studies.
- Organization for Promotion of Common Platform for ICT Urban Development (PDF / 2,266 kb)
- NTT DATA CORPORATION (PDF / 1,494 kb)
- GMO GlobalSign, Inc. (PDF / 762 kb)
- NEC Corporation (PDF / 972 kb)
- Cyberlinks Inc.
- Japan Medical Association
- Hitachi, Ltd. (PDF / 971 kb)
- Cybertrust Inc. (PDF / 2,954 kb)
- Toppan Edge Co., Ltd.
- Nomura Research Institute, Ltd.
- Workthy Co., Ltd. (formerly Shift Seven Consulting Co., Ltd.) (PDF / 453B)
- TIS Corporation
- Double Standard Co., Ltd. (PDF / 418 kb)
- Flight Solutions Inc. (PDF / 1,116 kb)
- Pocket Sign Inc. (PDF / 2,709 kb)
- Bengoshi. com (PDF / 571 kb)
- Millab Inc. (PDF/331KB) (updated March 12, 2025)
- NTT DOCOMO Business Corporation (formerly NTT Communications Corporation (PDF / 375 kb)
- ACSiON Corporation (PDF / 372 kb)
- Maso Corporation (PDF/167KB)
- Cloudship, Inc. (PDF / 2,687 kb)
- SKYCOM, Inc. (PDF / 106 kb)
- Tixplus Inc. (PDF / 1,258 kb)