© Stone System Corporation

Service
Hasshadai
Proprietary Product Business
In-House Product Related Business In-House Product Related Business
In-House Product Related Business In-House Product Related Business
Service
Business Introduction
“Hasshadai” (Launchpad) is our initiative for developing and growing our own branded services and products.
We plan, develop, and sell e-learning tools for engineers and music applications, as well as implement and maintain emoji-based two-factor authentication systems.
We also provide technical training for industry peers and author technical books that are sold at bookstores nationwide.
  • Rocket
    Planning, Development, and Sales of In-House Services
    Our original services
    Our company develops and launches a wide range of services and solutions for the global market, aiming to solve real-world challenges through IT.
    We actively explore new technologies such as Web3, IoT, and generative AI, as well as emerging tools and libraries. Through early technical experimentation and verification, we apply these innovations not only to our own services but also share the knowledge with our development teams, helping our client companies solve their business challenges.
  • Lecture
    Technical Training and Seminars
    Technical training and seminars
    With over 35 years since our founding, we have trained many beginners into skilled engineers and authored numerous technical books. Leveraging this experience, we provide instructor dispatch for new employee training as well as planning and management of technical training programs.
    Our training covers not only programming and development languages but also a wide range of topics, including practical applications of generative AI for small and medium-sized businesses.
    “Stone Stackr” – E-learning tool for engineers is also available as part of our training plans. Please feel free to contact us for more information.
  • Writer
    Technical Book Authoring
    technical book authoring
    Our Chairperson, Mr. Ishiguro, along with our employees, has authored numerous technical books that are published by Shuwa System and sold at bookstores nationwide as well as through online stores.
    In addition, we offer professional writing services, where highly specialized writers create high-quality technical content.
Our Products
Product Overview
  • product1
    “Stone Stackr” — E-Learning Platform for Professional Engineers
    Since its founding, Stone System has been a software development company that has grown in the IT industry for over 30 years, with expertise in training professional engineers from scratch. Based on this, we have independently developed the e-learning platform "StoneStackr" to train excellent engineers in a short period. "StoneStackr" supports the education and early workforce development of your IT beginners.
    “Stone Stackr” Service Site
  • product1
    One-Time Password Using Emojis “SuperOTP”
    Instead of the conventional one-time password (OTP) using 10 digits, this SDK introduces an OTP using over 3,000 emojis. The patented technology invented by Dr. Haruhiko Fujii (Engineering) of BankGuard Inc. ensures ironclad security. Patents have been obtained in Japan, the United States, China, and Singapore.
    “SuperOTP” Product Site
  • product1
    “Ensemble Friends” — Ensemble Support App
    An ensemble support app that works on iOS/Android, convenient for wind and choir performances.
    You can check the harmony of chords with a keyboard that can switch between just intonation and equal temperament, and practice complex pieces using a high-function metronome that can handle irregular time signatures and tempo changes.
    “Ensemble Friends” Product Site
Our Service
Business Overview
FinTech
Securities, FX, and Cryptocurrency-related Business
IT engineers with extensive experience in securities, FX, and cryptocurrency-related projects support everything from proposals to design, development, and maintenance. We also respond to diverse needs of various financial products using various package products.
DX
Digital Transformation (DX) Services
We handle system development projects outside the financial sector, covering a wide range of areas including e-commerce, RPA, and mobile app development. Our core focus includes multi-tenant e-commerce platforms and POS system development, and we also provide no-code and low-code development solutions.
Banking
Banking Solutions
On the banking side, we act as substitute bank staff or in-house employees, taking the client’s perspective to handle system planning and vendor management. We also support system internalization and provide training for client-side junior staff, helping banks address IT talent shortages and resolve operational challenges.
Hasshadai
Proprietary Product Business
We plan, develop, and sell e-learning tools for engineers and music applications, as well as implement and maintain emoji-based two-factor authentication systems. We also provide technical training for industry peers and author technical books that are sold at bookstores nationwide.
StoneMusic
Music Business
“Chaconne,” the de facto standard font for published sheet music in Japan, was developed by our company. We provide music engraving services, plan and sell music-related services, and produce and distribute audio content.
Contact
Contact Us
We provide support across a wide range of areas, including consulting, UI/UX design, proof of concept (PoC), development, talent dispatch, and business partnerships.
With flexible thinking and an adaptive approach beyond conventional boundaries, we help maximize the potential of your organization and brand, solving business challenges through the power of IT.
Please feel free to contact us.
For job applications, please apply here as well.