Ritsuko Otsuka

Ritsuko Otsuka

Director/Board Member at KOA SHOJI HOLDINGS CO.,LTD.

Net worth: 3 M $ as of 29/04/2024

46 year
Health Technology

Active connections

NameGenderAgeLinked companiesCollaboration
Toshiyuki Shuto M 77
Koa Isei Co., Ltd.
Koa Biotech Bay Co. Ltd.
KOA Shoji Co. Ltd.
33 years
Toshihiro Hirono M 74
Koa Biotech Bay Co. Ltd.
Koa Isei Co., Ltd.
9 years
Miyoko Komatsu F 60
Koa Biotech Bay Co. Ltd.
9 years
Toshinori Oyama M 75
KOA Shoji Co. Ltd.
Koa Isei Co., Ltd.
10 years
Teruyuki Tanaka M 74
KOA Shoji Co. Ltd.
7 years
Shinro Sadanobu M 72 9 years
Taigi Ito M 77 6 years
Chiaki Yano F 76 7 years
Yoshitaka Hirao M 70 7 years
Kiyoshi Takahashi M 73 3 years
See more

Connections Chart

Multi-company connection

Statistics

CountryConnections% of total
Japan 10 100.00%

Age of Connections

Active

Past

Male

Female

Members of the board

Executives

Origin of connections