|December, 1954||Hodensha Co. Ltd. was established, (Capital 300,000 Yen, Founder Saburo Matsuda)
as main business was indoor wiring and outside wiring installation work at Chubu Electric Power Company jurisdiction.
|March, 1955||General-purpose electric parts sales for big user started.|
|March, 1957||Hodensha started sales of heavy electric apparatuses for big set maker, those were generator, motor, compressor, hoist and transformer etc.|
|June, 1960||Solo agency agreement in Shizuoka prefecture with Aichi Electric Work Co. Ltd. (currently Aichi Electric Co. Ltd.) was entered.|
|June, 1962||Hodensha started sales of Ebara Corporation products.|
|December, 1962||Hodensha started service business as Toshiba Service Station Co. Ltd. agent.|
|February, 1963||As solo agent for Tateishi Electric Manufacturing Co. (currently Omron Corporation), Hodensha advanced into Automation control market.|
|October, 1964||Hodensha started manufacturing and sales of remote monitoring and control system for the source of a river (Patent No. 279582), whose trade name was “Water Rimo-con”.|
|June, 1972||Control board works completed at 388, Echigoshima, Yaizu-shi.|
|February, 1973||Keiso Kojyo Co. Ltd. (currently System Engineering Division) established with Hodensha’s full investment, where the main business was manufacturing automatic control boards and development of factory automation system.|
|May, 1973||Hodensha starts sales as agent of Japan Hoist Co. Ltd.|
|May, 1975||The sales of positioning device (Patent applied) developed at Keisou Kojyo started.|
|May, 1976||Large scale ultra low temperature refrigerator, which was the largest in Asia, was finished for Japan Bonito and Tuna Fishery Union Cooperative.|
|July, 1980||New Keiso Kojyo (i.e. Automation factory) finished and moved to new address 357, Echigoshima, Yaizu-Shi.|
|September, 1981||Two metal sheets detection device for press machine (Patent applied) was developed.|
|April, 1986||Hodensha group introduced self-supporting accounting system into divisions.
Six divisions play the leading role, those are Electric Equipment Installation Division, Yaizu Branch, Telecommunication Division, Heavy Electric Equipments Service Headquarter, FA Division (currently System Engineering Division) and Computer Division. Three staff departments, those are General Management Office, General Sales Headquarter and Management Planning Department, are set as supporting functions in Headquarter. New sales activities started.
|May, 1991||Quality Management Support System (QBLaxI) developed and sales started.|
|April, 1992||Sun-Tech Co. Ltd. as a subsidiary company established, whose activity is machine assembly.
SunLoft Co. Ltd. as a subsidiary company established, whose activity is J&P computer development.
|May, 1993||PC-LAX (Medical Laboratory Information Management System) developed and sales started.|
|August, 1993||Remote I/O Communication Controller (HINS) developed and sales started.|
|September, 1993||Sun-Tech Co. Ltd. Headquarter works established at Okabe town. (land 1,600 m2, building 730m2)|
|November, 1993||SunBrissa Co. Ltd. (currently SunRick Division) established, sheet metal manufacturing division was separated and became independent. The work finished at Koyashiki, Yaizu-shi.|
|December, 1993||Western Sales Office established in Kakegawa-Shi.|
|May, 1994||Hodensha Techno-Building established, headquarter administration department and FA Division (currently System Engineering Division) moved in and aggregated.|
|July, 1994||Wave maker control system (Patent applied) for wave maker pool developed and delivered to Nagoya City.|
|April, 1995||Panel computer for process control (HDDC-100) developed and sales started.|
|May, 1995||Hodensha was registered as Toshiba specified board maker|
|August, 1995||Capital expanded (new capital 480,000,000 Yen)|
|November, 1995||Sizuoka Prefecture Scientific Engineering Distinguished Service Medal received (Space saving remote I/O communication controller development)|
|May, 1996||Hodensha Heavy Electric Equipments Service Co. Ltd. Established. Service maintenance business was expanded.|
|March, 1997||Patent applied for Image Scanner Diffusion Filter.
Patent applied for automated distinction device for printed matters (HQ8100). Sales for domestic pharmaceutical manufacturer started.
|February, 1998||ISO9001certification was awarded to FA Division (currently System Engineering Division and Intelligent System Development Division) by BVQI.|
|October, 1998||ISO9001 certification was awarded to Electric Equipment Installation Division by BVQI.|
|December, 2000||ISO9001 certification was awarded to SunLoft Co. Ltd. by BVQI.|
|March, 2002||SunBrissa Co. Ltd. (currently SunRick Division) moved to Yoshida town, acreage of the works was expanded almost twice, brand new machine introduced. Adding to conventional metal sheet manufacturing work, design and manufacturing work for system control board started.|
|August, 2003||Mitsuhiro Matsuda was assumed as Representative Director.
ISO14001 certification was awarded to Headquarter, Electric Equipment Installation Division, System Engineering Division and Intelligent System Development Division by BVQI.
|May, 2005||Hodensha MenTech Co. Ltd., Hodensha SunRick Co. Ltd. and Hodensha ISD Co. Ltd. were absorbed into Hodensha Co. Ltd.. Seven Divisions are established as Electric Equipment Installation Division, Telecommunication Division, Yaizu Branch, Heavy Electric Equipment Service Division, System Engineering Division, Intelligent System Development Division and SunRick Division.|
|April, 2006||台湾朋電舎有限公司 established.|