Company Profile

We are committed to providing new value to our customers with reliable technology based on our extensive experience.

We are committed to providing new value to our customers with reliable technology based on our extensive experience.

Company NameShirushi Inc.
Date of EstablishmentSeptember 1, 2017
Correspondent BanksSBI Sumishin Net Bank
Jonan Shinkin Bank
Hokuriku Bank
Executive CompositionManabu Sakurada, Representative Director and CEO

Formerly Monex Securities, DeCurret Co., Ltd. (currently Sony Group)
Director CTO Tomihisa Yamazaki

・Gaitame.com Built a 16-year career at a leading FX broker, culminating as Head of Quants. He achieved industry-leading profitability by designing sophisticated algorithmic trading strategies and proprietary systems.
・DeCurret (Sony Group) A founding member who spearheaded the core business architecture and monitoring infrastructure. His technical leadership was pivotal in securing the exchange’s official regulatory license.
Outside DirectorTakatane Kiuchi (former member of the House of Representatives)


Bachelor’s degree from Keio University.He has been a member of the Bank of Tokyo-Mitsubishi, Ltd.(London Branch, Sales Headquarters, etc.),Investment Banking Division, Merrill Lynch Japan Securities Co.(managing director),Elected Member of the House of Representatives in Japan（Has held key positions including Director of the Committee on Financial Affairs, Director of the Committee on Foreign Affairs, Director-General of the International Bureau, and Acting Secretary-General. Played a leading role as Director of the Committee on Financial Affairs during the enactment of the revised Payment Services Act (commonly known as the Crypto Currency Act).）。Served as representative director, executive officer, auditor, and adviser for listed companies.Standing Director, Metaverse Promotion Council.

Outside Corporate AuditorKazuya Toriumi


Certified public accountant/tax accountant
High-Tech & Semiconductors:Statutory Auditor (Nanotechnology development, etc.),Finance & Trusts:Statutory Auditor (Type II Financial Instruments Business, Management-type Trust Business),Medical & Welfare:Auditor / Inspector (Medical Corporation),Technical Certification & Non-Profits:Auditor / Director (Infrastructure repair technology, Nature conservation activities),Business Support:Director (Overseas and domestic market development support for manufacturers)

AmbassadorsTakahisa Karita


Serial entrepreneur and global adviser. As a co-founder of UNIPLAT (Unify Platform AG, Switzerland), he has supported entrepreneurs and researchers in over 135 countries. As CFO of CDTEC China, he led the deployment of educational technology to more than 5,000 kindergartens.Mizzle is a senior mentor, member of the Forbes Business Council, and advisor to several companies and organizations, including the EU Tech Chamber (SDG Alliance Board), Tsangs Group, and S2P Prosperity.

Finance AdviserIsamu Yorikane


Defense Academy of Japan graduate. Former private banker at Mizuho Financial Group serving ultra-high-net-worth clients (assets of JPY 3 billion+), with 25 years of experience—the longest tenure in Japan. Currently serves as Representative Director (CEO) of NDA Co., Ltd., providing advisory services. Acts as an external CFO, adviser, and board-level consultant to listed-company owner families and other corporate principals. The firm operates with staff based not only in Japan but also in Singapore, Dubai, and other locations.

FounderNaoki Okura
Legal advisorTakashi Itai (Foresight Law Office)
Advisor Semiconducotor Equipment Association of Japan
Japan Cryptoasset Business Association
Japan Corporate Risk Management Association　JCRMA
General Incorporated Association Tax Research and Study
Capital stock17.18 million yen
BusinessProduct development and consulting business related to blockchain
Data center business
Server research, development, operation and sales business
Email Addressinfo@shirushi.io
Location■Headquarters
Tokyo 190-0022, Japan
5F Olympic Nishikicho Building 2-3-3 Nishikicho, Tachikawa-shi, Tokyo, Japan.
東京都の施設にあるしるし株式会社の本社■Tama R&D Center (Tokyo Metropolitan Industrial Technology Center)
Tokyo 196-0033, Japan
Industrial Support Square TAMA, 3-6-1 Azuma-cho,Akishima-shi, Tokyo

■Toyama Branch (Data Center)
Toyama City, Toyama Prefecture

■Kanda Marketing Headquarters
2-7-15 Kajicho,Chiyoda-ku, Tokyo, Japan.

 

Company NameSRS Inc.
Date of Establishment2024年
LocationCapital Union 8ank Building, P.O.  Box N-1879, Western Road, Lyford Cay, Nassau, Bahamas

バハマ国に拠点を構えるしるしコイン（SISC）の発行・運営事業者

BusinessCoin issuance and management services

 

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