1991

• Release of photo interrupter with actuator
• Development of tilt sensor
• Information communication equipment business started
• Manufacturing of OEM laptop workstation
• Establishment of SAW filter metal working process
• Started the in-house production of DC photo IC

1992

• 20th anniversary of the founding
• Incorporated as KODENSHI SY CORP.
• Started the production and release of information communication business FAX
• Started the in-house production of modulation photo IC
• Release of device for mouse of personal computer

1993

• Hong Kong office opened in May
• Development of photo IC for game machine
• Establishment of compound solid phase diffusion process
• Started the development of information media IC (4MHz photo IC for CD pickup)

1994

• Logistics building established at headquarters in May
• Release of single-mold infrared receiver module
• Started the development of LED print head
• Development of bistable light switch (for power supply voltage 3.5V)

1995

• Started the transfer of optical semiconductor wafer process to KODENSHI Korea
• Development of 200dip LED print head
• Release of small-type optical encoder

1996

• Singapore office opened in October

1997

• Development of system reset IC
• Release of paper sensor
• Establishment of 4-element (GaAlInP) planar process
• Release of 7-dot yellow light-emitting diode
• Development of 400dpi LED print head

1998

• Capital increased to 933.75 million yen in March
• Development of 600dpi LED print head
• Development of photo diode with laser mount stand
• Development of IC for 3ch encoder
• Development of IC for photoelectric switch
• Development of SMD type system reset IC

1999

• U.S office established
• Release of information media IC (Photo IC for CD pickup)
• Development of mirror built-in 3D working process
• Development of light-emitting IC for optical communication
• Development of AlGaInP 4-element red pin-point light-emitting diode
• Development of 1200dip LED print head