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1986
- Established affiliate company Janecs Co., Ltd., in Fukushima, and commenced discrete mounting production
1987
- Developed and began the supply of the new NDOF2B automatic reader call meters in cooperation with NTT
- Established Tokyo branch office in Yotsuya, Shinjuku Ward
 1988
- Developed and began the supply of #6 surge protectors for subscribers in cooperation with NTT
1989
- Supplied surge-current memory to the communications network research facility and the telephone support head office
1990
- Developed and began the supply of surge protectors with remote control disconnecting systems in cooperation with NTT
- Established the Tateshina office in Chino, Nagano Prefecture; founded NDS Corp., an affiliate specializing in surface mounting; and commenced the production of components for surge protectors for subscribers
 1991
- Developed and began the supply of 4W leased-line LB surge protectors for subscribers in cooperation with NTT
 1992
- Began the supply of remote control electrical transmission flowmeters to the Technology Department of NTT's Kanto branch office
- Developed the new NP-16Z and commenced sales of this device as a lightning guard
1993
- Began the supply of automatic reader call meters to NTT's Kushiro branch office
1994
- Established Nisshin International Japan Co., Ltd., to import and sell EMC electronic devices and audio equipment
 1995
- Developed and began the supply of electrical surge protectors for building subscribers in cooperation with NTT
- Awarded ISO 9001 certification
- Registered with NTT's New Quality Assurance System between first and second parties
(NQAS), (NQAS95-1001)
 - Commenced the manufacture of surge protectors for personal handyphone system (PHS) base stations
1996
- Constructed LANs and core back-office systems
1997
- NDS awarded ISO 9002 certification
- Developed and manufactured an ISDN-line guard in cooperation with NTT Advance Technology Co., Ltd.
- Awarded ISO 14001 certification
1998
- Developing LAN surge protectors in cooperation with NTT
1999
- Sales of switching HUB commenced
- NDS awarded ISO 14001 certification
2000
- All the group companies are awarded for ISO 14001
certification
2001
- Commenced sales of new "LIGHTNING-GUARD"
2002
- Awarded ISMS (Information Security Management System)
certification
- Developed and began the supply of #7
surge protectors for subscribers
2003
- Developed and began the supply of
"LIGHTNING-GUARD" in NTT spec
- Developed and manufactured the "VDSL Splitter" and
delivered to the NTT Neomeit Kansai Corporation
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