| May 1938 |
Established under the name of Maruyasu Kikai Kogyo Co., Ltd. at 3150 Okaya, Okaya City, Nagano Prefecture.
Started with manufacturing of paper making (reeling?)machines and industrial machines.
Initial capital: 200 thousand yen |
| April 1939 |
Newly constructed Tokyo Plant at Higashi-Rokugo, Kamata-ku, Tokyo.
Opened Tokyo Business Office at Kyobashi, Chuo-ku, Tokyo and Nagoya Business Office at Minami-Otsudori, Naka-ku, Nagoya City. |
| August 1941 |
Upon request from the military, started with manufacturing of arms and aircraft parts as a plant under the control of the army and navy. |
| October 1944 |
Removed and transfer the equipment in Tokyo Plant to Okaya City under the military order. |
| August 1945 |
As the result of the end of the war, changed over from munitions industry to peace industry to resume manufacturing of reeling machines and related parts. |
| October 1945 |
Renamed Maruyasu Sangyo Co., Ltd. |
| September 1946 |
Obtained release from the plant designated for reparations. |
| March 1951 |
Capital increased to 3 million yen. |
| September 1953 |
Changed the line of production to commence the design and manufacturing of labor-saving conveyance systems. |
| September 1960 |
Capital increased to 6 million yen. |
| August 1961 |
Renamed Maruyasu Kikai Co., Ltd. |
| September 1962 |
Capital increased to 18 million yen. |
| October 1962 |
Resumed the operation of Tokyo Plant at Nishi-cho, Kawaguchi City, Saitama Pref. |
| October 1963 |
Opened Osaka Business Office at Kita-ku, Osaka City. |
| July 1967 |
Capital increased to 36 million yen. |
| March 1968 |
Capital increased to 46.8 million yen. |
| January 1976 |
Raised the sub-branches in Sapporo, Fukuoka, Sendai and Hiroshima to the status of business office. |
| May 1981 |
Capital increased to 93.6 million yen. |
| August 1985 |
Newly constructed Kawagishi Plant at Kawagishi, Okaya City. |
| June 1988 |
Newly constructed No. 5 Shop in Okaya Plant. |
| January 1989 |
Raised business offices in Tokyo, Osaka, and Nagoya to the status of branch.
Opened Kita-Kanto Office in Tokyo Branch. |
| December 1990 |
Newly constructed No. 1 Shop in Okaya Plant. |
| January 1991 |
Raised Kita-Kanto Sub-branch to Koyama Business Office.
Opened Minami-Kanto Office in Tokyo Branch. |
| March 1992 |
Capital increased to 121.68 million yen. |
| April 1992 |
Newly established Nagoya Branch. |
| January 1993 |
Opened Niigata Office at Niigata City and Kanazawa Office at Kanazawa City. |
| March 1993 |
Established MARUYASU (S) PTE. LTD. in Singapore. |
| January 1995 |
Raised Minami-Kanto Sub-branch to Atsugi Business Office. |
| July 1995 |
Moved Sappro Business Office to the building newly constructed at Yonesato-Kita Industrial Estate in Sappro City. |
| October 1995 |
Moved Head Office to Okaya City, Nagano Pref. and Tokyo Branch to Kawaguchi City, Saitama Pref. |
| January 1996 |
Established MARUYASU-AE SYSTEMS ENGINEERING (THAI) CO., LTD. in Thailand. |
| February 1997 |
Moved Osaka Branch to Suita City, Osaka Pref. |
| October 1998 |
Awarded the Encouragement Prize of the Director General, Science and Technology Agency for Mini-Belt Curve Conveyor (MMBC3 180°) at the Nagano Prefectural Invention and Idea Exhibition. |
| October 1999 |
Won official commendation of the Director General, Social Insurance Agency in recognition of meritorious deed on welfare pension insurance undertaking. |
| May 2001 |
Acquired ISO 9001:2000 Certificate for all company-wide divisions. |
| September 2001 |
Purchased Maruyasu Kikai Building at Higashi-Ikebukuro, Toshima-ku, Tokyo and moved Tokyo Branch there. |
| November 2003 |
Awarded the Invention Encouragement Prize for Lessveyor at the Kanto Regional Commendation Ceremony hosted by the HATSUMEI KYOKAI (Japan Institute of Invention and Innovation). |
