April 1925Started importing and distributing petrolatum produced by Pennsylvania Refining Company, a US company which is currently known as Calumet Refining, LLC.
Founding: August 1, 1930 Chuji Koshiro allowed to be independent of Ozaki Yakichi Shoten at the age of 30. Company founded at Kokumachi 1-chome 20, Higashi-ku, Osaka City.
Medicine Trading Company, Koshiro Chuji ShotenStarted the sales and production of raw materials for pharmaceuticals and cosmetics.
July 2 to August 24, 1957The business trip around the world by the Founder Chuji Koshiro to the USA, the UK, Germany, France, Iran, India, Pakistan, Hong Kong and Taiwan
October 15, 1957Took part in the second China Import and Export Fair (the Canton Fair) as one of the first Japanese companies.
December 1962 The Establishment of Mino PlantMino Plant established at Ina 1141, Mino City, Osaka Prefecture.
Started the extraction business of natural plants.
February 13, 1989 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.
December 7, 1989
Completed the 1st Pharmaceutical Production Facility in Kameoka Plant.
January 15 - February 9, 2001Completed the 1st Extraction Facility and the Beeswax Production Facility in Kameoka Plant. Completed the 1st Spray Drying Facility in Kameoka Plant.
May 7, 2007 The 25th Anniversary
The 25th Anniversary of the Establishment of Kameoka Plant Held a cerebration party in commemoration of the 25th Anniversary of the Establishment of Kameoka Plant. Completed the entrance
The 50th Anniversary of Taking Part in Canton Fair
April 8, 2013 The 30th anniversaryThe 30th Anniversary of the Establishment of Kameoka Plant.
Planting ceremony of One Thousand Pine Trees at the Toshitani River in Shino-cho, Kameoka City.
May 2013Completed the 2nd phase construction of the 1st Extraction Facility in Kameoka Plant.
September 2013Completed the 3rd phase construction of the 2nd Extraction Facility in Kameoka Plant.
The 100th Anniversary of the Founder Chuji Koshiro’s Apprenticeship in Osaka (1915-2015)
May 18, 2015 Kameoka Half MarathonInflatable arches donation ceremony The 60th anniversary of the municipality of Kameoka City The 60th anniversary of the relocation of headquarters
July 1, 2015
The 30th anniversary of the renaming of the company
August 1, 2015 The 85th anniversary of the founding of the company
August 7, 2015The 64th Kameoka Peace Festival Hozu River Fireworks Display The number of fireworks launched: 5,000 pieces
March 2017Completed the 3rd phase construction of the 1st Extraction Facility.
March 25, 2017
The 70th Anniversary of the Incorporation of Koshiro Company Limited
March 26, 2017Completion ceremony of the 2nd phase construction of the R&D Building in Kameoka Plant
May 2017Completed the 2nd phase construction of the 5th Extraction Facility in Kameoka Plant.
June 1, 2017 (May 7 by lunar calendar)Plant tour held in commemoration of the 35th anniversary of the establishment of Kameoka Plant.
June 30, 2017 The 70th Anniversary of incorporationCompleted the headquarters' gate and stone pavement.
December 21, 2017 The 35th AnniversaryThe 35th Anniversary of the Establishment of Kameoka Plant. Held a planting ceremony of metasequoia trees in Shino-cho, Kameoka City.
February 26, 2018
The 1st Phase Construction of "The 1st Stage". Introduction of city gas to Kameoka Plant. Completed the conversion of the energy source.
May 26, 2018The 55th Anniversary of the Extraction Business The grand opening of the Medicinal Grassland in Forest Station Kameoka
August 1, 2018The 88th Anniversary of the Founding of the Company
August 1, 2018The 2nd Phase Construction of "The 1st Stage". Held ground breaking ceremony for the redevelopment of the North Western Area of Kameoka Plant.
January 17, 2019
Completed the Logistics Base and Dangerous Object Warehouses.
April 8, 2019The 3rd Phase Construction of "The 1st Stage". Held ground breaking ceremony for the redevelopment of Midosuji Boulevard of Kameoka Plant.
The 120th Anniversary of the Birth of the Founder, Chuji Koshiro
February 22, 2020The 3rd Phase Construction of " The 1st Stage" The environmentally friendly administration building where the
geothermal hybrid air-conditioning system and the green roof are introduced Completed the 2nd Spray Drying Facility.
April 8, 2020
The full opening of the Central Main Street
The 3rd Entrepreneurship
August 1, 2020The 90th anniversary of the founding of the company
2020 "The 1st Stage" after Completion
December 12, 2020Offered a special concert to Kameoka City in commemoration of the 90th anniversary of the founding of the company.
December 21, 2020Planted a fragrant olive in commemoration of the 120th anniversary of the birth of the Founder Opened the Children's Play Area in Galleria Kameoka
January 8, 2021Started the Reiwa Era's Major Renovation of the Headquarters Building. Design and Supervision: Morizo- Execution: Tobase Shrines and Temples Construction, Co., Ltd.
March 9, 2021Landscape Improvement Project of the Nanatani River Planted "Nanatani River's Cherry Trees"
May 19, 2021 (April 8 by lunar calendar)Held an Online Celebration to Introduce the Landmark.
June 28, 2021 The preceding work of the 2nd phase construction of the 1st Spray Drying Facility.
August 18, 2021Held a ceremony praying for the safe completion of the Reiwa Era's Major Renovation of the Headquarters Building.
December 24, 2021The Reiwa Era's Major Renovation of the Headquarters Building which was constructed as a mercantile house in 1760
December 22, 2021Completed the 2nd phase construction of the 1st Spray Drying Facility
令和4年1月4日The 2022 Post-COVID-19 Kicked off the 1st Stage of the 3rd Entrepreneurship 2020-2030
February 26, 2022Planted a gingko tree in commemoration of the 60th anniversary of the extraction business. Held a completion ceremony of the renovation of the Ballpark in Kameoka Sports Ground.
March 25, 2022The 75th anniversary of the incorporation of Koshiro Company Limited The Reiwa Era's Major Renovation of the Headquarters Building - Held a girder signing ceremony.
April 3, 2022Planted a gingko tree in commemoration of 40th anniversary of the establishment of Kameoka Plant. Held a completion ceremony of the Riverside Station as part of the Kameoka Waterside Park Renovation Project.
May 3-8, 2022Offered an experience program to ride on a hot air balloon to Kameoka citizens in commemoration of the 60th anniversary of the extraction business.
May 7, 2022Held a BBQ party in commemoration of the 40th anniversary of the establishment of Kameoka Plant.
July 1, 2022The 1st Stage of the 3rd Entrepreneurship 2020-2030
The 1st Groundbreaking Ceremony
The 2nd Hazardous Materials Manufacturing Plant (the 6th Extraction Facility)
The 2nd Waste Water Treatment Facility