Mayumi Hayasaka

Mayumi Hayasaka

Corporate Officer/Principal at J-STREAM INC.

Technology Services

Network origin in Mayumi Hayasaka first degree

EntityEntity typeIndustry
Public Company Information Technology Services 15
2
Subsidiary Information Technology Services 2

Chart of Companies connected to the second degree

Multi-company connection

Companies connected to Mayumi Hayasaka via their personal network

CompanySectorRelated peopleMain position
KDDI CORPORATION Wireless Telecommunications

Kentaro Ishii

Corporate Officer/Principal

TRANSCOSMOS INC. Miscellaneous Commercial Services

Kiyoshi Shiraishi

Atsuhiko Suwahara

Chief Tech/Sci/R&D Officer

Corporate Officer/Principal

GURUNAVI, INC. Internet Software/Services

Jun Tanaka

Human Resources Officer

SAISON TECHNOLOGY CO., LTD. Information Technology Services

Takashi Miyano

President

MAG NET HOLDINGS INC Miscellaneous Commercial Services

Takashi Miyano

Chairman

APPLIED TECHNOLOGY CO., LTD. Information Technology Services

Atsuhiko Suwahara

Director/Board Member

OPEN UP GROUP INC. Personnel Services

Takashi Miyano

Director/Board Member

Information Technology Services

Kiyoshi Shiraishi

President

Saison Information Technology (Shanghai) Co., Ltd.

Takashi Miyano

Chairman

Statistics

International

Japan 11
China 2

Sectoral

Technology Services 7
Commercial Services 4
Communications 2

Operational

Director/Board Member 15
Corporate Officer/Principal 10
President 6
Chairman 4
Sales & Marketing 4