History
| 1976 | Launches green tea wholesale business from tea leaf farm | 
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| 1980 | Establishes SANYO SHOUJI CO., LTD., for green tea processing and wholesale in Chiyoda Ward | 
| 1984 | Begins carrying Chinese teas from Taiwan, becomes the general Japanese distributor of Taiwan Tea Corporation (Taipei) | 
| 1985 | Establishes Y.K. Hatsudai Processing Center in Shibuya Ward | 
| 1990 | Establishes Sanyo Shouji Co., Ltd., Shizuoka Center (Akatsuchi, Kikukawa City, Shizuoka Pref.) as main distribution base | 
| 1996 | Integrates Hatsudai Processing Center and Shizuoka Center to strengthen production capacity | 
| 2001 | Establishes Sanyo Shouji Co., Ltd., Shizuoka Factory (Mineda, Kikukawa City) Shizuoka Center becomes distribution base  | 
				
| 2004 | Acquires Japanese Agricultural Standard (JAS) Organic Certification | 
| 2005 | Becomes first in the tea industry to acquire HACCP Certificate of Conformity, Codex International Food Standards | 
| 2009 | Shizuoka Factory acquires Ethical Business Transaction Certification from TÜV Rheinland in Germany | 
| 2010 | Head Office and Shizuoka Factory acquire ISO 14001 Environmental Management Certification |