Hiroyuki Ohtsuka – Biography
Last update: May 21, 2026Executive profile
Hiroyuki Ohtsuka is currently
Executive Officer, Manager of East Kanto Office in Main Tokyo Office at Techno Ryowa - View - Techno Ryowa org chart
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- At Techno Ryowa, Hiroyuki Ohtsuka has 20 colleagues including Hidehiko Kuroda (President & Director), Kimiharu Takeda (Director)…
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- In the Engineering & Design industry, Hiroyuki Ohtsuka has 18,090 colleagues in 878 companies located in 55 countries. 9,392 executive movements have been recorded in the last 12 months. Learn more about Engineering & Design.
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