1920 - 12-inch Wye level, the first product of Sokkisha
1928 - Magnometer for the Navy
1959 - NO10 transit and AL2 automatic level
1963 - TM10 ten second theodolite
1964 - best-selling B2 automatic level with magnet damper
1972-75 - SDM3 electronic distance meter, the LTS20 laser theodolite, the DT0306 electronic digital theodolite and TM1A one-second theodolite
1980 - PL1 first-order precision level and RED1A electronic distance meter
1982 - REDmini electronic distance meter, an extremely compact model and SDM3E Semi-Total Station
1983 - DT20E electronic digital theodolite
1985 - LP3A laser level planer
1985 - SET3 electronic Total Station
1987 - DT5 electronic digital theodolite
1988 - GP1-2 Gyro Station
1989 - SET2C/ SET3C /SET4C intelligent Total Station
1990 - SET5 electronic Total Station and 3-D Coordinate Measuring System MONMOS (3D Station NET2)
1995 - POWERSET series total stations
1996 - Series100 total stations
1997 - SET5W waterproof/dustproof total station, SDL30 digital level and GSR2300 RTK GPS Receiver
1998 - LDT50 laser digital theodolite
1999 - SET4110R Reflectorless Total Station, SET500/600 total stations, Series220/120 total stations, and Radian RTK GPS Receiver
2000 - C320/330 automatic levels, Radian IS Integrated RTK GPS Receiver and Axis3 GIS Mapping GPS Receiver
2001 - C300/310 automatic levels, SET4110M auto pointing total station and Stratus Single Frequency Static GPS Receiver
2002 - RED-tech EDM, Series30R reflectorless total stations that incorporate RED-tech EDM, LP30A/31A leveling lasers, GSR2600 Modular RTK GPS Receiver, and Series 30R Reflectorless Total Station
2003 - Series030R reflectorless total stations, new MONMOS system using the NET1200 and SDR4000, ultra-low power consumption DT210/510/510A/610 electronic, digital theodolites, and Series130R reflectorless total stations
2004 - GP3130R3 Gyro Station
2005 - GSR2700RS GPS Reference Station and GSR2700IS Integrated RTK GPS System
2006 – SRX Robotic total station
2007 - GSR2700ISX Integrated GNSS receiver
2007 - GSR2700RSX GNSS reference Station
2008 - GSR 1700CSX Single Frequency Static/RTK GNSS Receiver
2009 - SDL1X – Precise Digital Level
2010 - GRX1 GNSS receiver and SRX Robotic total station
2011 - GRX2 GNSS receiver and Gyro XII Automated Gyro Station
2012 - SX Robotic Total Station and FX Reflectorless Onboard Total Station
2015 - GCX2 GNSS receiver
2016 - iX Robotic Total Station (ultrasonic motors)
2017 - GCX3 GNSS receiver and iM-100 Reflectorless Total Station
2019 - iM-50 Reflectorless Total Station