![Daisuke Mitarai](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Daisuke Mitarai
Founder at
RAKUMO INC.
Net worth: 9 M $ as of 2026-07-30
Profile
Daisuke Mitarai is the founder.
He founded Rakumo, Inc. in 2004 and currently holds the title of President, CEO & Representative Director.
He is also currently the Chairman at Rakumo Co., Ltd. since 2018, Director at Sargasso KK since 2005, and Co-President & Representative Director at iVision Co., Ltd. Mr. Mitarai has previously worked as an External Director at istyle, Inc. from 2005 to 2012, as a Principal at Nippon Telegraph & Telephone Corp.
from 1996 to 1999, and as an Auditor at Agile Media Network, Inc. Mr. Mitarai obtained his undergraduate degree from Yokohama National University in 1996.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
RAKUMO INC. 22.81% | 2026-03-29 | 1,331,600 ( 22.81% ) | 9 M $ | 2026-07-30 |
Daisuke Mitarai active positions
| Companies | Position | Start |
|---|---|---|
| RAKUMO INC. | Founder | 2004-12-16 |
Sargasso KK | Director/Board Member | 2005-11-30 |
Rakumo Co., Ltd. | Chairman | 2018-03-31 |
iVision Co., Ltd.
 iVision Co., Ltd. Movies/EntertainmentConsumer Services Operates as video production company | President | - |
Former positions of Daisuke Mitarai
| Companies | Position | End |
|---|---|---|
| NTT, INC. | Corporate Officer/Principal | - |
| CRAVIA INC. | Comptroller/Controller/Auditor | - |
| ISTYLE INC. | Director/Board Member | - |
Training of Daisuke Mitarai
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
31
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
NTT, Inc.
 NTT, Inc. Specialty TelecommunicationsCommunications Provides telecommunication, ICT, IP system, system integration and real estate development services | Communications |
istyle, Inc.
 istyle, Inc. Internet Software/ServicesTechnology Services Operates cosmetics based web portals and retails beauty products through online | Technology Services |
Yokohama National University
 Yokohama National University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Rakumo, Inc.
 Rakumo, Inc. Packaged SoftwareTechnology Services Develops and sells SaaS based solutions | Technology Services |
Sargasso KK | |
Agile Media Network, Inc.
 Agile Media Network, Inc. Advertising/Marketing ServicesCommercial Services Operates as a holding company with interest in providing advertising services | Commercial Services |
Rakumo Co., Ltd. | |
iVision Co., Ltd.
iVision Co., Ltd. Movies/EntertainmentConsumer Services Operates as video production company | Consumer Services |
- Stock Market
- Insiders
- Daisuke Mitarai
