| New organizational structure launched on February 18, 2014. Mr. Mayumi Uezono took office as Chief Executive Officer. |
| New organizational structure launched on January 13, 2012. Mrs. Sadako Kamikozuru and Mr. Mayumi Uezono took office as president and executive vice president (acting president), respectively. |
| Aira branch office moved. |
| Kanoya service shop moved. |
| Mr. Masayasu Kamikozuru (92), the founder of KOAGAS NIHON Co., passed away on January 9, 2012. |
| KOA-KAN reopened with renewed conception on December 10, 2011. |
| “Go ! Go ! Campaign”. Initiatives in commemoration of the 55-year anniversary of the company, started on May 27, 2011. |
| MEMORANDUM (Agreement) for Business Information Exchange between KOAGAS NIHON and ULUTRAGAZ was renewed as of May I, 2011. |
| Business Information Exchange Meeting with ULTRAGAZ was held in Atlanta, the USA on April 15, 2011. |
| KOAGAS NIHON Co. was recognized as a company whose the environmental control was carried out excellently as of March 1, 2011. |
| Ijyuin branch office moved. |
| ULTRAGAZ’s staff in Brazil called on the company and the business information exchanging meeting was held on April 5, 2010. |
| Received an award as an excellent company in the management for safety operation as of October 14, 2009. |
| Received an award from the Minister of Economy, Trade and Industry as an excellent contributor to the security of safety in gas industry as of December 16, 2009. |
| Started the sales of “Sum”, a robot to treat kitchen garbage, pets’ feces etc on April 4, 2009. Started “New energy business” handling fuel cells, photovoltaic etc in 2009. |
| MEMORANDUM (Agreement) for the business information exchange between KOAGAS NIHON and ULTRAGAZ in San Paulo, Brazil was concluded on July 29, 2008. Started reforming business. |
| Exhibited our technology in the International Expo of National Propane Gas Association (NPGA) held in Atlanta, Georgia, the USA in April, 2007. |
| “KOA-KAN” , a hall for enjoying life was opened, a history of a company titled “Flame is forever” issued in commemoration of the fifty anniversary of the company and received the award from the president of the Kyushu Industrial Technology Center with the development of propane-air gas manufacturing process featuring a air heated and hot-water heated dual type evaporator in 2006. |
| Celebrated the fifty years anniversary of company foundation in 2005, KOAGAS NIHON US office moved to Manhattan, New York in 2005. |
| Joined the World LP Gas Association (WLPGA), received the award from the minister of Education, Culture, Sports, Science and Technology due to the achievement of development and commercialization of 13A Propane-air Gas Manufacturing process in 2004. |
| Put in a full-page, full-color advertisement for MK 13A Propane-Air Gas manufacturing Process, Blow By-pass Type LP Gas Cylinder Filling Process and MK Bobtail in “Butane Propane News” five times from the July issue of 2002. |
| MK 13A Propane-Air Gas manufacturing Process (June of 2003 Issue)
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| LP Gas Cylinder Filling Process (April of 2003 Issue)
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| The president, Mr. Kamikozuru, made a speech titled “Expansion of a demand for LP Gas through the prevalence of the full-automatic, air-heated type propane-air gas manufacturing plants” in the 16th World LP Gas forum held in Santiago, Chile in October, 2003. |
| Slides of speech |
| The executives at Chang Sha Gas Co. in China visited the company for the purpose of the regular exchange of the mutual friendship and business in April, 2003. |
