| 1919 |
The late Kojiro Hirayama, grandfather of the current president, became independent from a family and established the Hirayama textile factory, installing a Kohaba weaving machine. Kohaba means 40cm width rolled cloth. Produced woven custom items such as bank coin bags and naval loincloths. |
| 1939 |
A new Hirohaba weaving machine suitable for rolls of cloth over 70 cm wide was installed. |
| 1942 |
The Act for Integration and industrial adjustment was issued by the government during the war and merged. All mechanical equipment and buildings were contributed due to the Metal Collection Act. |
| 1945 |
The integrated company was dissolved due to the war end. |
| 1949 |
Kyoji Hirayama, father of the current president, re-established a weaving business jointly with Hannan Shokufu Co. Ltd. |
| 1952 |
Resigned from the company. Restarted the Hirayama Firm at its current address and installed a Kohaba weaving machine. |
| 1963 |
Reorganized Hirayama Textile Co. LTD. Kyoji Hirayama became the president and installed two new automatic Hirohaba weaving machines. |
| 1991 |
Removed 85% of all mechanical equipment. Developed and installed automatic Kohaba weaving machines. |
| 1992 |
Completed the new head office along with the technology research factory and FA, OA systems of the first stage. Won the "Osaka prefecture’s Prize for Creativity" of new technology and development.
Working hard for material creation and commercialization of the products through "Textile innovation". |
| 1994 |
Established "MURAKU Laboratory" literally ENJOY DREAMING
(Open Laboratory). Commenced the study of natural Indigo and vegetable dyeing. Installed indigo dyeing machines. |
| 1996 |
Participated in establishing the "Izumi Cotton Club". |
| 2001 |
Takao Hirayama became the executive director of the company, (representative of the Izumi Cotton Club.) |
| 2007 |
Renewed Izumi Cotton's online shop "ORIKO-ZOME". |
| 2019 |
Published 100th anniversary commemorative magazine ``Transferring the bond between warp and weft to the next generation'' |
| 2023 |
60th anniversary of company's founding: EB shop "ORIIRO" relaunched
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