Rinnai Corporation hereby announces the following changes to its organization, executive officers, and general managers.
1Organizational Changes (effective April 1, 2026)- With a view to realizing its next medium-term business plan, Rinnai's Corporation's Corporate Planning Headquarters, reporting directly to the President, will work cross-functionally with each division in such areas as strategy and business management, and will be responsible for promoting Groupwide strategies.
- We are seeking to further enhance our ability to address changes in business conditions by integrating our manufacturing functions. To this end, the existing Production Engineering Headquarters and Production Headquarters will be integrated and reorganized into the newly formed Production Headquarters.
- Within the Overseas Business Headquarters, the Group 1 Sales Management Division will be renamed the Group 1 Sales & Marketing Division, and the Group 2 Sales Management Division will be renamed the Group 2 Sales & Marketing Division.
- The Business Management Division and Overseas Administration Division will be newly established under the Overseas Business Headquarters.
- The Human Resources Division will be made separate and independent from the Corporate Administration Headquarters.
| Name | New Title | Current Title |
| Hirohisa Ooi | Senior Managing Executive Officer | Managing Executive Officer |
| Hiroyuki Hoyano | Senior Executive Officer | Executive Officer |
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| Name | New Title | Current Title |
| Tetsuaki Okano | Executive Officer | Branch Office Manager of Kansai Branch Office, Marketing & Sales Headquarters |
| Keiichi Mizutani | Executive Officer | General Manager of Quality Assurance Division, Quality Assurance Headquarters |
| Takeshi Umemura | Executive Officer | Factory Manager of Oguchi Factory, Production Headquarters and President of Techno Parts Co., Ltd. |
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| Name | Post-retirement | Current Title |
| Chuji Nakashima | Quality Assurance Manager of Research & Development Headquarters | Managing Executive Officer |
| Katsunori Tanioka | Assistant to the Chief of Marketing & Sales Headquarters | Executive Officer |
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| Name | New Title | Current Title | |
| Executive President | Hiroyasu Naito | ||
| Executive Vice President | Tsunenori Narita | (unchanged) | President's assistant |
| Senior Managing Executive Officer | Hideyuki Shiraki | (unchanged) | Chief of Marketing & Sales Headquarters |
| Kazuto Inoue | Chief of Production Headquarters | Chief of Production Engineering Headquarters | |
| Hirohisa Ooi* | Chief of Corporate Planning Headquarters | Chief of Production Headquarters and Chief of Corporate Planning Headquarters | |
| Managing Executive Officer | Takuya Ogawa | Chief of Corporate Administration Headquarters | Chief of Corporate Administration Headquarters and General Manager of Human Resources Division |
| Yoshihiko Takasu | (unchanged) | Chief of Innovation Center and General Manager of Advanced Development Division | |
| Hayao Nishizawa | Chief of Overseas Business Headquarters and General Manager of Group 2 Sales & Marketing Division | Chief of Overseas Business Headquarters and General Manager of Group 2 Sales Management Division | |
| Kenji Endo | (unchanged) | Chief of Research & Development Headquarters | |
| Senior Executive Officer | Hiroyuki Hoyano* | (unchanged) | Branch Office Manager of Kanto Branch Office, Marketing & Sales Headquarters |
| Executive Officer | Yasunobu Takemoto | (unchanged) | Deputy Chief of Research & Development Headquarters and General Manager of Technology Development Division |
| Tetsuaki Okano** | (unchanged) | Branch Office Manager of Kansai Branch Office, Marketing & Sales Headquarters | |
| Keiichi Mizutani** | Chief of Quality Assurance Headquarters and General Manager of Quality Assurance Division | General Manager of Quality Assurance Division, Quality Assurance Headquarters | |
| Takeshi Umemura** | President of Gastar Co., Ltd. | Factory Manager of Oguchi Factory, Production Headquarters and President of Techno Parts Co., Ltd. |
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*Promotion **Newly appointed
- Note: Mr. Tsunenori Narita is scheduled to retire as Representative Director upon the conclusion of the Ordinary General Shareholders' Meeting to be held in late June 2026. He is also scheduled to retire as Executive Vice President on the same date. After retiring, he is scheduled to assume the position of Executive Advisor to the Corporation (effective the date of retirement).
| Name | New Title | Current Title |
| Hideo Kono | Deputy Chief of Innovation Center | Product Development Division, Innovation Center |
| Seiichi Muto | General Manager of Product Technology Development Division, Production Headquarters | General Manager of Production Engineering Development Division, Production Engineering Headquarters |
| Akio Hattori | General Manager of Production Engineering Development Division, Production Headquarters | Production Technology Division, Production Engineering Headquarters |
| Koki Saguchi | Deputy General Manager of Operations Management Development Division, Production Headquarters | Operations Management Development Division, Production Headquarters |
| Ken Murase | Deputy General Manager of Purchasing Division, Production Headquarters | Purchasing Division, Production Headquarters |
| Moritoshi Ito | Factory Manager of Oguchi Factory, Production Headquarters and President of Techno Parts Co., Ltd. | Operations Management Development Division, Production Headquarters |
| Masaki Abe | Branch Manager of Niigata Branch, Marketing & Sales Headquarters | Sales Promotion Division, Tohoku Branch Office, Marketing & Sales Headquarters |
| Koichiro Miura | Deputy Branch Office Manager of Kanto Branch Office, and General Manager of Sales Promotion Division, Kanto Branch Office, Marketing & Sales Headquarters | General Manager of Sales Promotion Division, Kanto Branch Office, Marketing & Sales Headquarters |
| Tomoyuki Kaneko | Branch Manager of Higashikanto Branch, Kanto Branch Office, Marketing & Sales Headquarters | Sales Promotion Group, Higashikanto Branch, Kanto Branch Office, Marketing & Sales Headquarters |
| Tomonori Udagawa | Branch Manager of Minamikanto Branch, Kanto Branch Office, Marketing & Sales Headquarters | Sales Promotion Group, Kitakanto Branch, Kanto Branch Office, Marketing & Sales Headquarters |
| Hiroaki Kato | Branch Manager of Kitakanto Branch, Kanto Branch Office, Marketing & Sales Headquarters | Sales Promotion Group, Tokyo Branch, Kanto Branch Office, Marketing & Sales Headquarters |
| Hirofumi Hibi | Branch Office Manager of Chubu Branch Office, Marketing & Sales Headquarters | Branch Office Manager of Kyushu Branch Office, Marketing & Sales Headquarters |
| Yoshihiro Nakatani | Branch Manager of Keiji Branch, Kansai Branch Office, Marketing & Sales Headquarters | Sales Promotion Section, Kansai Branch Office, Marketing & Sales Headquarters |
| Naoki Umemura | Branch Manager of Chugoku Branch, Marketing & Sales Headquarters | Branch Manager of Keiji Branch, Kansai Branch Office, Marketing & Sales Headquarters |
| Takahisa Sanada | Branch Office Manager of Kyushu Branch Office, Marketing & Sales Headquarters | Branch Manager of Chugoku Branch, Marketing & Sales Headquarters |
| Teruaki Tsuji | General Manager of Sales Division, Marketing & Sales Headquarters | Branch Office Manager of Chubu Branch Office, Marketing & Sales Headquarters |
| Kiyoshi Shibata | General Manager of Sales Planning Division, Marketing & Sales Headquarters | Sales Planning Division, Marketing & Sales Headquarters |
| Keiichi Ito | General Manager of Marketing Section, Marketing & Sales Headquarters | Marketing Section, Marketing & Sales Headquarters |
| Naoya Okada | General Manager of Business Management Division, Overseas Business Headquarters | Business Strategy Division, Overseas Business Headquarters |
| Takaaki Shimoichi | General Manager of Overseas Administration Division, Overseas Business Headquarters | General Manager of Accounting Division, Corporate Administration Headquarters |
| Kenichi Ebata | General Manager of President's Office | General Manager of President's Office and General Manager of General Affairs Division |
| Hiroya Arai | General Manager of Accounting Division, Corporate Administration Headquarters | Accounting Division, Corporate Administration Headquarters |
| Masahiro Nakahashi | General Manager of Human Resources Division | Purchasing Division, Production Headquarters |
| Masaki Koyanagi | General Manager of General Affairs Division | General Affairs Division |
| Masahiro Haruta | General Manager of Information Technology Division | Information Technology Division |
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Corporate Communication & IR Division, Rinnai Corporation
Tel: +81-52-361-8211
Note: The information contained herein is valid as of the date of release. Please be aware that certain details may change or be made irrelevant by circumstances that emerge at a later date.