Profile

Toshinaga Koizumi served as the Chairman of Riken Corp.
from 2001 to 2014.

Former positions of Toshinaga Koizumi

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

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Connections

7

1st degree connections

1

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Listed companies1
RIKEN CORPORATION

Producer Manufacturing

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  3. Toshinaga Koizumi