1968 (Showa 43)

Established Kasuga Seisakusho for the purpose of processing optical parts in Higashiharuchika, Ina City

1973 (Showa 48) 　  

Expanded factory and started manufacturing jigs and tools

1976 (Showa 51) 

Relocation of new factory to current location

1977 (Showa 52)      

Established Harukin Precision Co., Ltd. as a corporate organization Capital 4 million yen

1980 (Showa 55) 　   

Expanded the factory and started manufacturing labor-saving machines by in-house design and development.

Increased capital to 8 million yen

1981 (Showa 56) 　   

Labor-saving machine design, expansion of assembly plant

1982 (Showa 57) 　   

The organization was changed from a limited company to a joint-stock company, and the company name was changed to Haruchika Co., Ltd.

Started manufacturing and sales of lens polishing machines, caulking machines, etc. Increased capital to 10 million yen

1983 (Showa 58)       

Fully automatic polishing system completed Machining center, introduction of CNC lathe

1984 (Showa 59) 　   

Addition of administration building

1986 (Showa 61)      

Expansion of parts manufacturing plant

1988 (Showa 63) 　   

Expansion of assembly plant

1990 (Heisei 2) 　　

New administration building and development building expanded due to increased orders in world wide

1993 (Heisei 5) 　　

Development of planetary polishing engine

1997 (Heisei 9) 　　

Development of vertical centering engine

1999 (Heisei 11) 　   

Development of large diameter polishing engine

2009 (Heisei 21) 　　

Development of NC polishing engine