Tomonaga Horikawa – Biography
Last update: January 23, 2026Executive profile
Tomonaga Horikawa is currently
Executive Officer, Director of Chemical Products Business, Director of Chemical Products Sales, Director of Chemical Products Business Promotion at Riken Vitamin - View - Riken Vitamin org chart
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The colleagues of Tomonaga Horikawa
Company Colleagues
- At Riken Vitamin, Tomonaga Horikawa has 29 colleagues including Tsutomu Mochizuki (President), Kazuhiko Yamaki (Chairman of the Board)…
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- In the Food industry, Tomonaga Horikawa has 21,071 colleagues in 1,448 companies located in 72 countries. 13,582 executive movements have been recorded in the last 12 months. Learn more about Food.
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Through the switchboard, call Riken Vitamin at +81 35... and ask for Tomonaga Horikawa.
