Founded in 1920, Rinnai & Co. first manufactured and sold pressurized oil stoves. By the late 1920s it had already established itself as a trustworthy manufacturer of gas tabletop stoves, gas ovens, gas heaters, and gas hot-water units.
Incorporated as Rinnai & Co. by founders; Hidejiro Naito,
president and Kenkichi Hayashi, president.
Began sales & exports of gas appliances, including tabletop
stoves, gas oven, hot-water units, to domestic gas utilities.
Manufactured aircraft parts as factory supervised by the army.
Resumption of production of gas oil appliances at
Reconstructed Head Office factory
Reorganized as a limited company.
Opened Tokyo office.
Formed technological tie-up with German Schwank GmbH and
began production & sales of infrared gas burners.
Opened Asahi Factory.
Opened Fukuoka office.
Opened Sapporo and Sendai offices.
Opened Oguchi Factory.
Develop Japan’s first-type gas bath-heating units.
Opened Technology Development Center.
Received Japan’s first JIS certificates for gas appliances..
Established Rinnai Taiwan Corporation.
Changed name to Rinnai Corporation.
Establish RB Controls.,Ltd. and Rinnai Australia Pte., Ltd.
Received Ota Award from Japan Gas Association for gas high-speed
cooking convection oven
Established Rinnai (Malaysia) Sdn. Bhd
Established Rinnai America Corporation & Rinnai Korea Corporation.
Established Rinnai New Zealand Ltd.
Established Rinnai Industries (UK), Ltd.
Agreed distribution agreement with Conception Gas Corporation.
Formed technical tie-up with Schott AG in Germany.
Listed on the Second Section of the Nagoya Stock Exchange.
Established Rinnai Precision Co., Ltd.
Opened Seto Factory.
Established Japan Ceramics Co., Ltd.
Listed on the Second Section of the Tokyo Stock Exchange.
Opened Hiroshima office.
Listed on First Section of the Tokyo Stock Exchange.
Received Ota Prize from Japan Gas Association for development
of a hot-water heating unit equipped with a safety mechanism
to prevent incomplete combustion.
Received Excellent Technology Prize from Japan Gas Association
as well as the first Chunichi Industrial Technology Award for the
development of an ultra-compact hot-water heating unit.
Established P.T. Rinnai Indonesia.
Established Hong Kong Representative Office.
Opened Tuskuba Research Center.
Establish Rinnai (Thailand) Co Ltd and Noto Tech Co., Ltd.
Established Rinnai Singapore Pte. Ltd
Established Shanghai Rinnai Co., Ltd.
New head office building completed.
Received ISO 9001 certification for all domestic factories.
Established Rinnai Holdings (Pacific) Pte. Ltd. in Singapore
Receive Testing Facility Acceptance from International
Approval Services (IAS).
Received ISO 14001 certification for Oguchi Factory and
Technology Development Center.
Established Rinnai Hong Kong Ltd.
Established Rinnai Vietnam Co., Ltd. and
Established RG Co., Ltd.
Received Ministry of International Trade and Industry’s Energy
Conservation Award for its highly efficient condensing-type gas
Received ISO 14001 certification for Seto Factory.
Received Technology Prize from Japan Gas Association for its
highly efficient condensing-type gas hot-water units.
Received ISO 14001 certification for all domestic factories.
Receive Chairman Prize from Energy Conservation Center for
glass-top stoves with internal-flame burner.
Technology Prize from Japan Gas Association for
condensing-type dual hot-water/heating units “Eco Jozu”.
Integrated Rinnai Singapore to Rinnai Holdings (Pacific) Pte. Ltd.
Technology Prize from Japan Gas Association for bathroom
heater/dehumidifiers with mist sauna function.
Established Rinnai Italia s.r.l., and opened Integrated Logistics Center.
Gas instant-heating hot-water unit sold in the United States
received Energy Efficiency Award from the
Alliance to Save Energy (ASE).
Received ISO 14001 certification for Head Office.
Establish Rinnai Canada Holdings Ltd.
Opened Production Technology Center.
Opened Western Japan Customer Center.
Opened Akatsuki Factory.
Received Ministry of Economy, Trade and Industry's Energy
Conservation Award for ECO ONE, a hybrid water heater
with heating system.
Relocated Rinnai Parts Center following business integration.
Hybrid water heater with heating systems, for Hokkaido -
the northern part of Japan - received a Kitaguni Energy
Conservation/New Energy Award.
Brivis Climate Systems Pty Ltd became a consolidated subsidiary.
Opened Dubai Representative Office.
GASTAR Co., Ltd became a consolidated subsidiary.