|1900||December 21||The Founder, Chuji Koshiro born in Ikaruga no Sato in Nara as the second son of his father Chuzo and mother Kogiku.|
|1915||April||Chuji Koshiro graduated from Ikaruga Higher Elementary School and started working as an apprentice for a medicine wholesaler Ozaki Yakichi Shoten located at Doshomachi 1-chome 14, Higashi-ku, Osaka City.|
|1918||April||Chuiji Koshiro promoted to the head clerk and started exploring the industrial chemicals market.|
|1925||April||Started importing and distributing petrolatum produced by Pennsylvania Refining Company, a US company which is currently known as Calumet Refining, LLC.|
Chuji Koshiro allowed by Ozaki Yakichi Shoten to be independent at the age of 30.
Koshiro Chuji Shoten, a trading company dealing with medicines, founded at Kokumachi 1-chome 20, Higashi-ku, Osaka City. Started sales of raw materials for medicines and cosmetics and the production of beeswax.
|1932||November 5||An office established at 2-chome 33 of Doshomachi which is a historical medicine quarter in Osaka.|
|1938||Beeswax production facility newly established at Toyonaka Plant.|
|1946||January 1||Made a fresh start at Doshomachi 2-chome 26 for the postwar reconstruction.|
|1947||March 25||C. Koshiro & Co., Ltd. incorporated. Chuji Koshiro became the president of the company.|
|1949||December||Osaka Plant established at Tokui-cho 2-chome 56, Higashi-ku, Osaka City. Started the production of menthol.|
|1955||June||Refining and bleaching facilities for beeswax newly established.|
|1955||August 28||The head office was moved to the current location of Doshomachi, 3-chome 5, Higashi-ku, Osaka City.|
|1957||July 2 - August 24||The business trip around the world by the Founder Chuji Koshiro to the USA, the UK, Germany, France, Iran, India, Pakistan, Hong Kong and Taiwan|
|1957||October 15||Took part in the second China Import and Export Fair (the Canton Fair) as one of the first Japanese companies.|
|1962||December||Mino Plant established at Ina 1141, Mino City, Osaka Prefecture. Started the extraction business of natural plants.|
|1968||April 30||The R&D Building constructed in Mino Plant.|
|1976||June 18||The spray drying facility introduced in Mino Plant.|
|1978||December 18||Chuichi Koshiro named president of the company.|
|1982||May 7||Kameoka Plant established at Wakamiyasuji 57, Namikawa, Oicho, Kameoka City, Kyoto Prefecture. The menthol facility transferred from Osaka to Kameoka.|
|1982||August 15||Extraction facilities newly established at Kameoka Plant. Started the extraction business of natural plants at Kameoka Plant.|
|1983||May||The facilities for refining and bleaching beeswax transferred from Mino Plant to Kameoka Plant.|
|1985||July 1||The 55th anniversary of the founding of the company. The company name changed to Koshiro Company Limited.|
|1987||May 31||The R&D Building constructed in Kameoka Plant. The R&D function transferred from Mino Plant.|
|1989||February 13||Higashi-ku and Minami-ku of Osaka City were merged, and the address of headquarters was changed to Doshomachi 2-5-8, Chuo-ku, Osaka City.|
|1989||December 7||Completed the 1st Pharmaceutical Production Facility in Kameoka.|
|1990||Augst 1||Celebrated the 60th anniversary of the founding of the company.|
|1991||December 21||Completed the Employees Building in Kameoka Plant.|
|1992||December 25||Opened the Midosuji Boulevard and the Central Eastern Boulevard which serve as Kameoka Plant's main streets.|
|1994||February 21||Completed the Raw Material Warehouse in Kameoka Plant.|
|1998||November 30||Completed the 2nd Pharmaceutical Production Facility in Kameoka Plant.|
|2000||May 23||Completed the finished product warehouse in Kameoka Plant.|
|2000||August 26||Cerebrated the 70th anniversary of the founding of the company.|
|2001||January 1||Tadaaki Koshiro named president of the company.|
|2001||January 15||Completed the 1st Extraction Facility and the Beeswax Production Facility in Kameoka Plant.|
|2001||February 9||Completed the 1st Spray Drying Facility in Kameoka Plant.|
|2005||June 25||Completed the 2nd Extraction Facility in Kameoka Plant.|
|2005||August 1||The 75th anniversary of the founding of the company.|
|2007||May 7||Held a cerebration party in commemoration of the 25th anniversary of the establishment of Kameoka Plant. Announced the 2nd master plan. Completed the entrance of Kameoka Plant.|
|2008||April 8||The 25th anniversary of the establishment of Kameoka Plant. Planted a metasequoia.|
|2008||May 30||Completed the Reception building and the 1st and 2nd Raw Material Warehouses.|
|2010||April 8||The Dream of the Founder of the Extraction Business: Further Growth Cherry tree planting|
|2010||May||Completed the second phase construction of the 2nd Extraction Facility.|
|2010||August 1||The 80th anniversary of the founding of the company.|
|2012||February 26||Completed the 5th extraction facility. A ginko tree planted in commemoration of the 50th anniversary of the extraction business.|
|2012||May 7||The 50th anniversary of the extraction business.|
|2013||April 8||The 30th anniversary of the establishment of Kameoka Plant. Planting ceremony of One Thousand Pine Trees at the Toshitani River in Shino-cho, Kameoka City.|
|2013||May||Completed the second phase construction of the 1st extraction facility.|
|2013||September||Completed the 3rd phase construction of the 2nd Extraction Facility.|
The 100th anniversary of the Founder Chuji Koshiro’s apprenticeship in Osaka.
100 to 100 First Stage
2015 - 2030 2015-2020
Donated inflatable arches to Kameoka City for Kameoka Half Marathon.
The 60th anniversary of the municipality of Kameoka City
The 60th anniversary of the relocation of headquarters
|2015||July 1||The 30th anniversary of the current company name.|
|2015||August 1||The 85th anniversary of the founding of the company.|
|2015||August 7||The 64th Kameoka Peace Festival Hozu River Fireworks Display. The number of fireworks launched: 5,000 pieces.|
|2017||March 25||The 70th anniversary of the incorporation of Koshiro Company Limited.|
|2017||March||Completed the 3rd phase construction of the 1st Extraction Facility.|
|2017||March 26||Completion ceremony of the 2nd phase construction of the R&D Building.|
|2017||May||Completed the 2nd phase construction of the 5th Extraction Facility.|
(May 7 by lunar calendar)
|Plant tour held in commemoration of the 35th anniversary of the establishment of Kameoka Plant.|
|2017||June 30||Completed the headquarters' gate and stone pavement which were constructed in commemoration of the 70th anniversary of the company’s incorporation.|
|2017||December 21||The 35th anniversary of the establishment of Kameoka Plant. Held a planting ceremony of metasequoia trees in Shino-cho, Kameoka City.|
|2018||February 26||The 1st Phase Construction of "The 1st Stage" in Kameoka Plant; Introduction of city gas to Kameoka Plant. Completion of the conversion of the energy source.|
The 55th anniversary of the extraction business.
The grand opening of the Medicinal Grassland in Forest Station Kameoka
The 88th anniversary of the founding of the company.
The 2nd Phase Construction of "The 1st Stage" in Kameoka Plant; The Redevelopment of the North Western Area. Held a ground breaking ceremony.
|2019||January 17||Completed Logistics Base and Dangerous Object Warehouses.|
|2019||April 8||The 3rd Phase Construction of "The 1st Stage" in Kameoka Plant; The Redevelopment of Midosuji Boulevard. Held a ground breaking ceremony.|
|2020||February 22||Completed an environmentally friendly Administration Building to which the geothermal hybrid air-conditioning system and a green roof were introduced. Completed the 2nd Spray Drying Facility.|
|2020||April 8||The full opening of the Central Main Street.|
|2020||Augst 1||Celebrated the 90th anniversary of the founding of the company. The 3rd Entrepreneurship|
|2020||December 12||Offered a special concert to Kameoka City in commemoration of the 90th anniversary of the founding of the company.|
Planted a fragrant olive in commemoration of the 120 Anniversary of the Founder's birth.
Opened Children's Play Area in Galleria Kameoka
Started the Reiwa Era's Major Renovation of the Headquarters Building.
Design and Supervision: Morizo-
Execution: Tobase Shrines and Temples Construction, Co., Ltd.
Landscape Improvement Project of the Nanatani River
Planted "Nanatani River's Cherry Trees".
(April 8 by lunar calendar)
|Held an Online Celebration to Introduce the Landmark.|
||The preceding work of the 2nd phase construction of the 1st Spray Drying Facility.|
May the natural blessing be with you - For your smiley and healthy life.