Koshi Koyama

Koshi Koyama

Director/Board Member at Yomiuri Kaihatsu KK

69 year
Consumer Services

Active connections

NameGenderAgeLinked companiesCollaboration
Yoshikuni Sugiyama M 69
7 years
Isao Hijikata M 72
14 years
Kazuyoshi Urata M 67
12 years
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Connections Chart

Multi-company connection

Former connections

NameGenderAgeLinked companiesCollaboration
Takeshi Uemura M 77
3 years

Statistics

CountryConnections% of total
Japan 4 100.00%

Age of Connections

Active

Past

Male

Female

Members of the board

Executives

Origin of connections