Ryujiro Kiyama

Ryujiro Kiyama

President at KOKEN BORING MACHINE CO.,LTD.

Net worth: 112 813 $ as of 2024-05-30

64 year
Producer Manufacturing
Consumer Services

Ryujiro Kiyama active positions

CompaniesPositionStartEnd
KOKEN BORING MACHINE CO.,LTD. Director/Board Member 2012-05-31 -
President 2019-05-31 -
Corporate Officer/Principal 1996-07-31 2019-05-31
Kozo Construction Co., Ltd. Chairman 2019-05-31 -

Career history of Ryujiro Kiyama

Training of Ryujiro Kiyama

Kumamoto University Undergraduate Degree

Statistics

International

Japan 4

Operational

Director/Board Member 1
Corporate Officer/Principal 1
President 1

Sectoral

Producer Manufacturing 2
Consumer Services 2

Positions held

Active

Inactive

Listed companies

Private companies

Linked companies

Listed companies1
KOKEN BORING MACHINE CO.,LTD.

Producer Manufacturing

Private companies1
Kozo Construction Co., Ltd.

See company connections