Hirohisa Ooi – Biography
Last update: December 23, 2025Executive profile
Hirohisa Ooi is currently
Managing Executive Officer, Chief Director of Production at Rinnai - View - Rinnai org chart
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The colleagues of Hirohisa Ooi
Company Colleagues
- At Rinnai, Hirohisa Ooi has 34 colleagues including Hiroyasu Naito (President), Kenji Hayashi (Chairman of the Board)…
Industry Colleagues
- In the Household Products industry, Hirohisa Ooi has 12,285 colleagues in 895 companies located in 63 countries. 5,722 executive movements have been recorded in the last 12 months. Learn more about Household Products.
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