- 1995
- 1995 05
- Established Katsura Opto Systems Co., Ltd.
- 1995 05
- Entered into a consultancy agreement with Nissho Electronics Co., Ltd.
- 1995 10
- Optical pickup optical measuring machine developed
- 1995 11
- Launched tilt sensor (autocollimator)
- 1996 12
- Developed optical pickups, lens actuators, and dynamic tilt measuring devices
- 1997 04
- Developed DVD optical disc mechanical characteristics inspection equipment
- 1997 05
- Developed optical pickup spot adjustment optical system for DVD, CD-ROM, CD-R
- 1998 02
- Developed small laser tilt sensor (autocollimator)
- 1998 07
- Developed screen type laser tilt sensor (autocollimator)
- 1999 12
- Developed parallel optical inspection sensor
- 2000
- 2000 08
- Developed image processing equipment "IP series"
- 2001 04
- Organizational change to Co., Ltd.
- 2003 06
- Established a local subsidiary in Shanghai, China
- 2003 11
- Established a development center in Kochi, Shikoku
- 2003 12
- Released Blu-ray optical pickup evaluation device
- 2004 01
- Released a small image processing unit
- 2004 07
- Launched the KT series of low-cost, high-performance tilt sensors (autocolimators)
- 2004 08
- Received approval of the Management Innovation Plan based on the Act on Promotion of Small and Medium-sized Enterprises Business Activities
- 2004 11
- Concluded a contract with Tokyo Institute of Technology for the right to use aberration technology patents.
- 2005
- 2005 03
- Established technical center in Jiading Industrial Discrict, Shanghai
- 2006 01
- Released Blu-ray optical pickup adjustment and evaluation device
- 2006 09
- Released a Blu-ray-compatible 2-lens spot adjuster
- 2007 03
- Launched 500kHz ultra-high-speed analog tilt sensor(autocollimeter)
- 2008 05
- Kochi Development Center new building completed
- 2008 05
- Released AMS Aberration Analyzer
- 2008 05
- Released displacement tilt sensor(autocollimator)
- 2009 01
- Launched a 6D sensor for adjusting individual imaging elements for digital cameras
- 2009 01
- Received the 42nd Good Company 'New Technique Business Promotion Award' Grand Prize
- 2009 06
- Released displacement sensor
- 2009 06
- Released VCM automatic inspection device for mobile phones and camera modules
- 2009 06
- Released image sensor tilt sensor(autocollimator)
- 2010
- 2011 11
- Released high-speed 5D sensor
- 2012 04
- Released line displacement sensor
- 2012 12
- Launched vertical level sensor
- 2013 07
- Released lens eccentric sensor
- 2014 03
- Released laser solder equipment
- 2014 05
- Released parallelism tilt sensor (autocollimeter)
- 2015
- 2015 02
- Launched +/- 5 degrees angle wide angle tilt sensor (autocollimator)
- 2015 06
- Released OIS evaluation device
- 2015 07
- Developed lens actuator characteristic inspection device for smartphones
- 2016 04
- Released closed Loop VCM Evaluation Device
- 2016 05
- Launched laser solder device with blue LD
- 2018 03
- Released white LED tilt sensor (autocollimeter)
- 2018 12
- Released +/- 10 degrees angle ultra wide angle tilt sensor (autocollimeter)
- 22019 12
- Launched +/- 5 degrees angle +/- 5mm displacement tilt sensor (autocollimator)
- 2020
- 2020 08
- Released high-speed 6D sensor
- 2020 12
- Launched ultra-compact tilt sensor (autocollimator)
- 2021 10
- Launched +/- 10 degrees angle ultra wide angle tilt sensor (autocollimator)
- 2024 01
- Launched +/- 15 degrees angle ultra wide angle tilt sensor (autocollimator)
- 2024 02
- Established a Innovation Lab in Kochi, Shikoku
- 2024 09
- Launched integrated displacement tilt sensor (autocollimator)