Sendai Propane Gas Co. (SPGC), the predecessor of present KOAGAS NIHON Co. was founded at Satsuma-Sendai, Kagoshima.
Blow-bypass type LP Gas cylinder filling process was developed and commercialized by SPGC.
Development and introduction of the customers-call-on type meter sales system.
Opening of sales office in Kagoshima city, started direct sales mainly within Kagoshima city.
Construction of new factory with LP Gas cylinder filling station and container-inspection center in the site of the present KOAGAS NIHON head office.
Relocation of head office to Kagoshima city.
Establishment of South Japan Gas Co. as a 100% subsidiary to supply town-gas in Satsuma-Sendai city areas.
Change of the company name to “KOAGAS Kagoshima Co.”.
Start of “Bulk sales” of LP Gas in Kagoshima for the first time.
Koa Auto Gas Co. was founded in line with the expansion of auto-gas sales.
Start of supply of community gas to a housing complex at Satsuma-Sendai city.
Start of supply of community gas to the Hoshigamine New Town housing complex in Kagoshima city.
Taki Transport Co. was founded as a 100% subsidiary transportation unit.
MK 13A Propane-air Gas Manufacturing Process was developed and constructed at Sendai Factory.
License of the technology of MK 13A Propane-Air Gas Manufacturing process to Hitachi group in Japan, etc.
Receiving of “The Grand Prix of Technology” from Japan Gas Association (JGA) for the development and commercialization of MK 13A Propane-Air Gas Manufacturing Process.
The delegation of Chang Sha Gas Co. in China called on KOAGAS Kagoshima Co. for the exchange of mutual friendship.
The presentation of KOAGAS NIHON Co.’s proprietary technologies was made at the Annual Conference of the Editorial Committee for the Town Gas in China.
License of the technology of MK 13A Propane-air Gas Manufacturing Process to Shanghai Gas Co. in China.
Kokubu Factory of South Japan Gas Co. started the supply of town gas made by MK 13A Propane-Air Gas Manufacturing Plant (the second plant in South Japan Gas Co).
Became a member of National Propane Gas Association (NPGA) in Washington, D.C. the U.S.A.
Received “The Grand Prix of Invention” for the invention and commercialization of “Blow By-Pass Type of LP Gas Cylinder Filling Process” from Japan Invitation Association.
US Office was opened.
Receiving of “The Grand Prix” from the president of the chamber and commerce of Kagoshima prefecture in the exhibition of invention of Kagoshima prefecture for the invention of Air-heated/hot-water dual type vaporizer process.
Start of the supply of community gas to both Aobadai and New Town Jiganji housing complexes.
Company name changed to present “KOAGAS NIHON Co.” .
Newly-developed air-heated/hot-water dual type vaporizer was installed to the MK-13A Propane-air Town Gas Manufacturing Plant of its Satsuma-Sendai Factory.
MK Bobtail, new generation type bobtail carrying a mini blow-propane recovery unit was developed by KOAGAS NIHON Group and the prototype one was deployed to its bulk lorry fleet.
Technical presentation of MK 13A Propane-air gas manufacturing process was made at the Technical session in the 16th WLPGA Forum held in Chile in October, 2003.
Reception of “The Award of the Minister of Education, Science and Culture” for the development and commercialization of MK 13A Propane-Air Gas Manufacturing Process.
Joining in World LP Gas Association (WLPGA).
Receiving of “The Grand Prix” for the invention of method and equipment for transporting LPG in a tank truck from the president of the commerce in the exhibition of invention of Kagoshima prefecture.
The celebration of the fifty-year anniversary.
USA office was relocated to Manhattan, New York.
Obtaining a US patent with a patent name of “HIGH-SPEED BULK FILLING TANK TRUCK”.
Obtaining of EU (BK, France, Italy) and Hong Kong patents with a patent name of “HIGH-SPEED BULK FILLING TANK TRUCK”.
Opening of “KOA-KAN”, Hall for Exhibition, Amusement and Community.
Receiving of the prize from the president of Kyushu Industrial Technical Center.
Start of supply of community gas to Saigo housing complex in Kagoshima city.
Participation to the 57th NPGA International Expo held in Atlanta, Georgia USA.
Conclusion of the contract with ULTRAGAZ in Brazil for technical cooperation.
Start of “reform business” .
Start of “new energy business” including photovoltaic, fuel cell etc.
Initiatives named “Go and Go” campaign in memory of the fifty five anniversary.
Visit of Ultragaz staff.
Relocation of KOAKAN.
Mr. Kamikozuru who had led the group since the foundation of Sendai Propane Gas Co. died.
Start of the new organizational structure.
An executive director of the World LP Gas Association (WLPGA) called on the company and a lecture of “The Role of LP Gas in a New Age of Energy” was held.
KOAGAS NIHON CEO, Mr.Mayumi Uezono, made a speech titled “A Challenge for Sustainable Growth” at the 26th World LP Gas Forum held in London, England in October,2013.
Mr.Mayumi Uezono, CEO of Koagas Nihon, made a statement about his opinions at the Gas System Committee.
Mr. Uezono had an interview with Mr. Kelly, Senior Director of the World LP Gas Society, to discuss the “The future and Challenges of the World and Japan”.
The Kokubu Branch was approved as “one of LP Gas Filling tation at the time of the disaster’s occurrence “by the Ministry of Economy of Trade and Industry.
Celebration for the fiftieth anniversary of company foundation was held.
The total number of customers of Koagas Group eached 70.000.
A service station in Izumi-city was launched.
Retailing electricity with trade name of “Koagas denki (electricity) started.