Company History
- Jun. 1967
- DENRYO CO., LTD. was established, and in charge of selling measurement machines.
- Jun. 1976
- Launched mobile radio.
- May. 1987
- Launched Solar Modules.
- Feb. 1992
- Launched charge controllers for off-grid PV systems.
- Sep. 1992
- Launched of DC-AC Power Inverters.
- Nov. 1993
- Launched deep cycle lead acid battery.
- Jun. 1994
- Lauched battery charger.
- Feb.2008
- Exhibited at PV EXPO 2008 Tokyo.
- Mar. 2009
- Original LED bulb 'L-dama' released.
- Jul.
- The Development Division was built.
- Dec.
- Originally multiple voltage battery charger 'PANcharge 1k' has been released.
- Aug. 2010
- Original charge controller, 'SolarAmp mini,' has been released.
- Oct.2011
- Exhibited at IGEM2011 in Malaysia.
- Jun.2012
- Exhibited at Entech Pollutec Asia 2012 inThailand.
- Jan.2013
- SolarAmp mini”has won the Arakawa New Product ＆ Technology Grand Prize.
- Apr.
- Original solar charge controller, “SolarAmp B,” has been released.
- May.
- Exhibited at AFRICAN FAIR2013.
- Sep.
- Exhibited at REI2013 in India.
- Oct.2014
- Exhibited at All-Energy Australia 2014.
- Oct.2015
- Exhibited at INTELEC2015 in Osaka.
- Nov.2016
- DENRYO BATTERY was released.
- Aug.2017
- Original DC-AC power inverter, 'DIAsine,' has been released.
The patent application number：PCT/JP2016/88016,
PCT/JP2016/88017
- Jun.2019
- Original charge controller, 'SolarAmp BG,' has been released.
- Oct.
- Exhibited at 17th Solar Bangladesh 2019 International Expo.
- Nov.
- Original Solar Modules, 'DBG 012-24,' has been released.
- Oct.2022
- Original DC-AC power inverter, 'DIAsine,' Parallel connection model has been released.
