|1957||December||Shouzou Maruyoshi established a factory in Tokyo.|
|1972||August||Capital stock was 10 million JPY.|
|September||Formed a capital alliance with Jalux Inc., affiliated company of Japan Airlines Corporation.
After 5 million yen contribution from Jalux Inc., capital was increased to 15 million JPY.
|December||Opened a new factory (860 square meters) in Choshi city, Chiba (one hour drive from Narita International Airport)|
|1980||May||Moved the head office to Maruyoshi building in Bunkyo-ku, Tokyo.|
|August||Capital was increased to 30 million JPY.|
|1993||July||Hirokazu Maruyoshi took over as president.
Capital was increased to 98 million JPY.
|2008||October||Opened a factory in Yachimata, Chiba (thirty minutes drive from Narita Airport) for expansion of production.|
|2010||November||Acquired land for a new Yachimata factory.|
|2019||July||Yuki Yanagawa took over as president.|