| Dec.1972 |
Founded as Tsuruta Shoji Co., Ltd. with 2.5 million yen capital in Tomioka City as a producer of konnyaku processing and food packaging machinery |
| Mar.1973 |
Tokyo Sales Office opened (present Tokyo Branch Office) |
| Jun.1973 |
Osaka Sales Office opened (present Osaka Branch Office) |
| Aug.1973 |
Sendai Sales Office opened |
| May.1975 |
Fukuoka Sales Office opened |
| May.1976 |
Nagoya Sales Office opened |
| Jun.1978 |
Machinery plant established |
| Jul.1981 |
Sapporo Sales Office opened |
| Aug.1983 |
Renamed to "ORIHIRO Co., Ltd.",Introduced CI |
| Apr.1985 |
Former ORIHIRO Head Office Building completed |
| Apr.1987 |
ORIHIRO Engineering Co., Ltd. founded in Takasaki City |
| Oct.1988 |
ORIHIRO Raw Material Plant Co., Ltd. founded in Tomioka City (present ORIHIRO Materials Co., Ltd.) |
| Mar.1990 |
ORIHIRO Machine Center completed |
| Mar.1992 |
Hiroshima Sales Office opened |
| Apr.1993 |
ORIHIRO DHC Co., Ltd. founded (present ORIHIRO Plantdew Co., Ltd.) |
| Apr.1993 |
ORIHIRO Distribution Center completed in Tomioka City |
| Jul.1994 |
Shizuoka Sales Office opened |
| Jan.1995 |
ORIHIRO Head Office Building completed |
| Jan.1995 |
Northern Kanto Sales Office opened |
| May.1996 |
Head Office relocated to Takasaki City |
| Mar.1997 |
Takasaki Machinery Plant opened |
| Mar.1997 |
Yokohama Sales Office opened |
| Dec.2003 |
ORIHIRO Plantdew Factory completed |