Organizational Chart of Riken Vitamin

Riken Vitamin Org Chart

www.rikenvitamin.jp

has 30 executives
+81 352 755 130

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President

Tsutomu Mochizuki
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Chairman of the Board

Kazuhiko Yamaki
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Director

Satoshi Fujinaga
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Director

Shinichi Hirano
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Director

Takehiko Makinodan
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Director

Masaaki Nakano
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Director

Wataru Sueyoshi
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Director

Towa Sueyoshi
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Director

Takahiro Tomitori
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Director

Ayumi Ujihara
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Food Products Sales

N...
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Household Foods Sales

Y...
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Processed Foods Sales

T...
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Production

T...
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Wide Area Sales

S...
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Production

T...
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Chemical Products

T...
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Food Improver Dev

T...
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Food Technology Development

T...
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Healthcare Business

Y...
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HR

T...
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Grass Processing Plant

A...
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Int'l Affairs

W...
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Production Admin

T...
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Managing Executive Officer

S...
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Commercial Food Sales

T...
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Senior Managing Director

T...
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Executive Officer

T...
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Executive Officer

H...
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Managing Director

N...
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Riken Vitamin at a glance

How the company is coordinated

The company operates through centralized operations.

What management is emphasizing

Management priorities include strengthening financial discipline.

Know more about Riken Vitamin

Updated Feb 25, 2026
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