Takashi Koyama

71 year

Utilities

Industrial Services

Producer Manufacturing

Active connections

Name	Gender	Age	Linked companies	Collaboration
Shigeru Matsushita	M	67	IWABUCHI CORPORATION	5 years
Ken Nagata	M	58	IWABUCHI CORPORATION	3 years

Multi-company connection

Name	Gender	Age	Linked companies	Collaboration
Ryo Nishizawa	M	71	IWABUCHI CORPORATION	44 years
Akira Takahashi	M	75	IWABUCHI CORPORATION	49 years
Makoto Oishi	M	74	IWABUCHI CORPORATION	45 years
Toshiro Hayasaka	M	75	IWABUCHI CORPORATION	6 years
Masato Tanaka	M	71	IWABUCHI CORPORATION	6 years
Daiki Igarashi	M	55	IWABUCHI CORPORATION	2 years
Tetsuya Horii	M	53	IWABUCHI CORPORATION	2 years

Country	Connections	% of total
Japan	9	100.00%

Age of Connections

Active

Past

Male

Female

Members of the board

Executives

Origin of connections