NIHON DENJI SOKKI CO.,LTD.

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PRODUCT LIST MAGNETIZER DEMAGNETIZER MAGNETIC PARTICLE EQUIPMENT MAGNETIC MEASURING INSTRUMENTS MAGNETIC PARTICLE ACCESSORIES MAGNETIC APPLIED PRODUCT MAGNETIC ALIGNMENT EQUIPMENY COMPANY HISTORY 1953 Nihon Denji Sokki Co.,Ltd. was estanblished in 1953　with capital of One million yen at Koganei-city, Tokyo to manufacture and sell the Sendai tube type Magnetic Particle Testing Instrument and also Sendai tube type Magnet-charger. NDK started to supply the Magnetic Particle Testing Equipment to various factories of Japan National Railway company(JR group now) and spread widely to every industrial fields such as steelworks, shipbuilding works, automobile factories etc. NDK also started to spread Magnet-charge in every works of Nippon Telegraph and Telephone public corporation (NTT group now), other telephone maker, measuring instruments enterprise and Magnet makers, etc, all over Japan. .................................................................................................................................................................. 1961 A service factory was opened at Shinjyuku, Tokyo. Gauss meter with hall probe was developed. .................................................................................................................................................................. 1963 Pivot flux meter was developed and released. .................................................................................................................................................................. 1969 A sales office was opened at Nakano-ku, Tokyo. .................................................................................................................................................................. 1975 New head office and factory were opened at Tachikawa-city, Tokyo. Head office in Koganei-city, factory in Hachioji and Shinjyuku, sales office in Nakano were combined. .................................................................................................................................................................. 1978 NMR magnetmeter was developed Pole coil method B-H curve tracer was developed. .................................................................................................................................................................. 1979 Automatic magnetic particle equipmentf with hall probe was developed. .................................................................................................................................................................. 1980 Image processing type automatic magnetic particle equipment by ＩTV was developed. Rotary magnetizer for VTR and Capstain Motor was developed. .................................................................................................................................................................. 1981 Low frequency type demagnetizer was developed. .................................................................................................................................................................. 1975 Head office and factory were reformed and enlarged. .................................................................................................................................................................. 1984 Mag-Demagnetizer for Rare earth magnet was developed. .................................................................................................................................................................. 1985 3T large type Electromagnet was developed. .................................................................................................................................................................. 1987 ４５００Ｖ Mag-Demagnetizer was developed. .................................................................................................................................................................. 1988 Kansai sales branch was opened. Inverter type Demagnetizer was developed. .................................................................................................................................................................. 1993 ５０００Ｖ Magnetizer was developed. .................................................................................................................................................................. 1997 45th anniversary of the foundation was celebrated. Magnetiging inspection system for EV motor was developed. .................................................................................................................................................................. 1998 Powder compact machine by rubber isostatic pressing (RIP) method was developed. .................................................................................................................................................................. 1988 Head office and factory were extended. .................................................................................................................................................................. 2001 Joint venture company, "Shanghai Mizuho Magnetics Co.,LTD." was established. .................................................................................................................................................................. 2002 「ISO9001:2000」 was certificated. 50th anniversary of the foundation was cerebrated. .................................................................................................................................................................. 2004 New office building was opened. .................................................................................................................................................................. 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