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

hot-water appliances.
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.