Corona Co., Ltd.

Corona's founder, Tetsu Uchiha, was born in what is now Sanjo City, studied at Tokyo Denki School (now Tokyo Denki University), and obtained the Ministry of Communications Electrical Business Senior Technician qualification at age 20. He then joined Toyama Electric (now Hokuriku Electric Power), but after about four years, he was recalled by his father and began assisting in the family business of selling gasoline stoves.

The founder of Corona, Tetsuichi Uchida, was born in what is now Sanjo City.

Started research on original stoves.

Successfully developed a 'pressurized liquid fuel stove' using diesel fuel, obtaining two patents and one utility model.

Successfully developed the 'pressurized liquid fuel stove' using diesel fuel.

Registered the 'Corona' trademark.

Built a factory of about 10 tsubo behind his home and began manufacturing and selling oil stoves. This became the founding of Corona.

Built a factory of about 10 tsubo behind his home and began manufacturing and selling oil stoves.

Founded: April 1937 (Showa 12).

Founded.

Commenced full-scale production of oil stoves and reorganized the organization into a corporation.

Company established: July 1950 (Showa 25).

Company established.

Successfully developed and released the first post-war pressurized oil stove.

Released the pressurized oil stove 'SB model'.

Released the pressurized oil stove 'SB model'.

Released the SP-type oil stove with a drop-type cartridge tank system.

Released the SP-type oil stove.

During the heavy snowfall of 1936 that cut off transportation routes, all employees carried the stoves to the nearest station and shipped them by boat.

When heavy snowfall cut off transportation routes, all employees carried a stove each and transported it 2 km to the nearest station, from where it was shipped by passenger train.

During the heavy snowfall of 1938 that cut off transportation routes, all employees carried the stoves to the nearest station and shipped them by boat.

When heavy snowfall cut off transportation routes, they similarly transported the stoves and shipped them by ship to meet orders on time.

Announced the oil FF-type warm-air heater that heats indoor air cleanly.

Released the ST-type oil stove with a core top-and-bottom radiating cartridge tank design.

Released the Clean Hot oil instant water heater, achieving low noise and high calorific value.

Announced the oil FF-type warm-air heater.

Released an improved oil fan heater based on the FF type.

Released an oil fan heater.

Announced the 'Hokutaka' room air conditioner series.

Developed the first domestic stove waste-heat-based warm-water floor heating system 'Haineats'.

Grew to hold the top market share in oil water heaters.

Released the 'Air Clean Air Conditioner' featuring the industry's first full-scale electric dust-collection air purification function.

Established a technology development center.

Changed the company name to 'Corona'.

The company name of Uchida Manufacturing was changed to "Corona", a brand name already widely known to the public.

Announced an oil fan heater equipped with the revolutionary fuel tank "Yogorema Se" that eliminates hand dirt and odor during refueling. Received the Minister of Science and Technology's Innovation Encouragement Award.

Announced an oil fan heater equipped with a 'Yogorema Se' that eliminates dirt and odor during refueling.

Announced the "Aviina G", an oil gasification water heater with a compact body and comprehensive features.

Announced the oil gasification water heater 'Aviina G'.

After listing its shares on the Niigata Stock Exchange in November 1996,

Listed shares on the Niigata Stock Exchange.

Announced the "Ifuujin" air conditioner equipped with an electric dust-collecting air purification function and a negative ion generator.

Announced 'Ippun' that evolved the technology of the Air Clean Air Conditioner.

ISO 9001 certification obtained in September 1999.

Obtained ISO 9001 certification.

Announced the slim FF heater 'Space 21'.

Announced the "Space 21" FF heater, achieving a revolutionary thinness compared to previous models.

Listed on the Second Section of the Tokyo Stock Exchange in March 2000,

Listed on the Second Section of the Tokyo Stock Exchange.

Developed and worldwide first released the natural refrigerant CO2 heat-pump water heater 'EcoCute'.

Developed the world's first natural refrigerant CO² heat pump water heater "EcoCute". Corona's EcoCute received the Minister of Economy, Trade and Industry Award at the 2001 Energy Conservation Award.

On July 13, 2004, record‑breaking heavy rain in the Niigata Chūetsu region caused the Gōraigawa River to flood, resulting in basement flooding at the headquarters and Sanjo factory.

The record-breaking heavy rain that struck the Niigata Prefecture Nakayoshi region caused the Arakawa River to flood, resulting in basement flooding at the headquarters and Sanjo factory.

On October 23, 2004, the Niigata Chūetsu earthquake occurred, causing partial damage to the building at the Nagaoka factory.

Damage occurred to part of the Nagaoka factory due to the Niigata Prefecture Nakanojo earthquake.

The Niigata Prefecture Nakayoshi earthquake occurred, causing damage such as partial collapse of the building at the Nagaoka factory.

In November 2005, ISO 14001 certification was obtained at the headquarters, Sanjo, Kashiwazaki, and Nagaoka factories.

Obtained ISO 14001 certification at the headquarters, Sanjo, Kashiwazaki, and Nagaoka factories.

In March 2006, listed on the First Section of the Tokyo Stock Exchange.

Listed on the First Section of the Tokyo Stock Exchange.

Listed on the First Section of the Tokyo Stock Exchange.

Released the "Aggrecio", an oil FF heater equipped with a newly developed slim line burner, incorporating the "Shiroguni ratio", a proportion commonly used in traditional Japanese architecture, into its design.

On July 16, 2007, the Niigata Chūetsu offshore earthquake occurred. Partial damage to the building at the Kashiwazaki factory temporarily affected production and logistics.

Damage, including partial collapse of the building at the Kashiwazaki plant, occurred due to the Niigata Prefecture Nakadetsu offshore earthquake.

The Niigata Prefecture Nakayoshi offshore earthquake occurred, causing partial collapse of the building at the Kashiwazaki factory and temporarily affecting production and logistics.

Released the Nano Mist Sauna 'Nano Rich'.

Released the "NanoRich" nano mist sauna utilizing the proprietary patented "Natural Cluster Technology" that finely pulverizes water.

Released the geothermal heat pump air conditioner 'GeoSIS Air Conditioner'.

Released the "GeoSIS Air Conditioner", a heat pump air conditioner utilizing renewable geothermal energy.

Released the hybrid hot water heating system 'GeoSIS HYBRID' that combines geothermal and air heat.

Released the "GeoSIS HYBRID", the industry's first hybrid hot water heating system that combines geothermal and air heat according to changes in outdoor temperature and heating load, and developed the "Pile Five System", a new construction method that significantly reduces initial installation costs by using steel pipe piles for ground improvement. "GeoSIS HYBRID" received the Minister of the Agency for Natural Resources and Energy Award at the 2014 Energy Conservation Award.

In 2016, proactive business continuity efforts were recognized, and the company obtained the 'Resilience Certification', a system that certifies organizations contributing to national resilience.

Developed and implemented a Business Continuity Plan (BCP) and obtained 'Resilience Certification'.

Obtained the "Resilience Certification", a system that certifies organizations as "Contributing Organizations to National Resilience", recognized for proactive business continuity efforts.

In 2017, the company celebrated its 80th anniversary, and continues to pursue 'new life scenes' through the provision of distinctive products and services, guided by the principle of 'for the customers'.

Celebrated its 80th anniversary.

Corona celebrated its 80th anniversary of founding.