| 1904 |
Uchida Tetsuei, founder of Corona, was born in present-day Sanjo City, studied at Tokyo Electric School (now Tokyo Denki University), and obtained a chief engineer qualification in telecommunications at the Ministry of Communications at age 20. He then joined Toyama Electric (now Hokuriku Electric Power Company), but was called back after about four years to assist in the family business of selling gasoline stoves. |
| 1931 |
Started research on original stoves. |
| 1933 |
Succeeded in developing a 'pressurized liquid fuel stove' powered by kerosene, obtaining 2 patents and 1 utility model. |
| 1935 |
Registered the trademark 'Corona'. |
| 1937 |
Built a small factory of about 10 tsubo behind the house and started manufacturing and selling oil stoves, marking the founding of Corona. |
| 1937-04 |
Founded: April 1937 (Showa 12) |
| 1937-04 |
Founded |
| 1950 |
Started full-scale production of kerosene stoves and reorganized the organization into a corporation. |
| 1950-07 |
Company established: July 1950 (Showa 25) |
| 1950-07 |
Company established |
| 1952 |
Succeeded in developing and launching the post-war first 'Pressurized Kerosene Stove'. |
| 1955 |
Launched the pressurized kerosene stove 'SB type'. |
| 1960 |
Launched the SP type kerosene stove with a drop-type cartridge tank system. |
| 1961 |
When the transportation route was cut off due to the 36 heavy snowfall, all employees carried the stoves to the nearest station and shipped them by boat. |
| 1963 |
When the transportation route was cut off due to the 38 heavy snowfall, all employees carried the stoves to the nearest station and shipped them by boat. |
| 1965 |
Announced kerosene FF type warm air heater that heats indoor air with clean air. |
| 1974 |
Announced kerosene FF type warm air heater. |
| 1979 |
Launched a kerosene fan heater improved from the FF type. |
| 1983 |
Developed the 'Heineets', a hot water floor heating system utilizing the exhaust heat of the country's first stove. |
| 1987 |
Launched the 'Air Clean Air Conditioner', industry’s first built-in electric dust collection air purification function. |
| 1991 |
Established a new Technology Development Center. |
| 1992-04 |
Changed the company name to 'Corona'. |
| 1995-11 |
Announced kerosene fan heater equipped with 'Yogorema Valve' that eliminates dirt and odor during refueling. |
| 1996-03 |
Announced the kerosene gasification water heater 'Avena G'. |
| 1996-11 |
After listing on the Niigata Securities Exchange in November 1996, |
| 1997-09 |
Evolved the technology of the Air Clean Air Conditioner and announced 'Ippun'. |
| 1999-09 |
In September 1999, ISO 9001 certification was obtained. |
| 2000 |
Announced the slim FF heater 'Space 21'. |
| 2000-03 |
In March 2000, listed on the Tokyo Stock Exchange Second Section, |
| 2001 |
Developed and launched the world's first natural refrigerant CO2 heat pump water heater 'EcoCute'. |
| 2004-07-13 |
On July 13, 2004, record heavy rains hit the Chuetsu region of Niigata Prefecture, causing Igarashi River to overflow, resulting in flooding of the headquarters and Sanjo factory. |
| 2004-10-23 |
On October 23, 2004, the Niigata Chuetsu Earthquake occurred, causing partial damage to the Nagaoka factory buildings. |
| 2004-10-23 |
Damage occurred including partial destruction of Nagaoka Factory due to the Chuetsu Earthquake in Niigata Prefecture. |
| 2005-11 |
In November 2005, the headquarters, Sanjo, Kashiwazaki, and Nagaoka factories obtained ISO 14001 certification. |
| 2006-03 |
In March 2006, listed on the Tokyo Stock Exchange First Section. |
| 2006-03 |
Listed on the First Section of the Tokyo Stock Exchange. |
| 2007-07-16 |
On July 16, 2007, the Chuetsu Offshore Earthquake occurred, causing partial damage to the Kashiwazaki factory buildings, temporarily affecting production and logistics. |
| 2007-07-16 |
Damage occurred due to partial destruction of the Kashiwazaki factory building caused by the Chuetsu Offshore Earthquake in Niigata Prefecture. |
| 2008 |
Launched NanoMist Sauna "NanoRich". |
| 2012 |
Launched geothermal heat pump air conditioner "GeoSIS Air Conditioner" utilizing underground heat. |
| 2014 |
Launched hybrid hot water heating system "GeoSIS HYBRID" combining underground heat and air heat. |
| 2016 |
In 2016, recognized for proactive business continuity efforts, obtained the 'Resilience Certification,' a system certifying contribution to national resilience. |
| 2016 |
Formulated and operated Business Continuity Plan (BCP) and obtained "Resilience Certification." |
| 2017 |
In 2017, celebrated its 80th anniversary, continuing management activities centered on 'for customers,' aiming to realize 'new life scenes' through unique products and services. |
| 2017 |
Celebrating 80 years since founding. |
