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History of the manufacturer  

Yokogawa Electric Co., YEW; Musashino-shi, Tokyo

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Name: Yokogawa Electric Co., YEW; Musashino-shi, Tokyo    (J)  
Abbreviation: yokogawa
Products: Model types
Summary:

Yokogawa Electric Corporation, brand YEW
9-32, Nakacho 2-chome, Musashino-shi, Tokyo 180-8750, Japan.


Company name until 1985 was 'Yokogawa Electrical Works Ltd.
Basically a manufacturer of measuring equipment. Since 1924 electromagnetic oscillographs. Their first Japanese portable electromagnetic oscillograph N-3 (1927) won honorable mention at an international technology fair in Belgium in 1930.

Generalvertretung für Österreich: Luftfahrttechnische Geräte Ges.m.b.H., Industrie-, Labor- und Aircraftelektronik; A-1020 Wien, Lassallestraße 2/1/1; Werkstätte: A-1224, Flughafen Wien-Aspern.

Founded: 1915
Production: 1917 -
History:
1915: Tamisuke Yokogawa, Doctor of Architectural Engineering, established an electric meter research institute in Shibuya, Tokyo with Ichiro Yokogawa and Shin Aoki
1917: First to produce and sell electric meters in Japan
1920: Incorporated as 'Yokogawa Electric Works Ltd.'
1933: Started research and manufacture of aircraft instruments and flow, temperature, and pressure controllers
1948: Made the public offering of the company's stock
1950: Developed Japan's first electronic recorder
1955: Signed a technical assistance agreement for industrial instruments with 'Foxboro', USA
1957: Established 'Yokogawa Electric Works, Inc.' as North American sales office 1974: Established 'Yokogawa Electric Singapore Pte. Ltd.' as Singapore plant and 'Yokogawa Electric (Europe) B.V.' as European sales office
1975: Released CENTUM, the world's first distributed process control system
1983: Formed 'Yokogawa Hokushin Electric Corp.' through merger with 'Hokushin Electric Works, Ltd.'
1984: Released Model 3520 Analog LSI Test System and entered IC tester field
1986: Established 'Xiyi Yokogawa Co., Ltd.' in Xian, China, jointly with Xian Instruments factory
1986: To further establish the corporate identity, the company name is changed to 'Yokogawa Electric Corporation' and the 'YEW' trademark to 'Yokogawa'
1988: Entered the high-frequency measuring instrument business
1990: Established 'Yokogawa Middle East E.C.' in Bahrain
1996: Released Confocal Scanner and entered biotechnology business
1997: Announced the Enterprise Technology Solutions business concept
2000: Released Magnetoencephalograph
2001: Released the world's first 40Gbps optical communication module and entered the next-generation optical fiber communication field
2002: Acquired 100% of 'Ando Electric's' stock
2004: Developed 40Gbps optical packet switch and entered the optical communication business and fully integrated the Ando Electric's business
2005: Established 'Yokogawa Electric International Pte. Ltd.' in Singapore to oversee global industrial automation business

This manufacturer was suggested by Georg Richter.


Some models:
Country Year Name 1st Tube Notes
70–85 Digital AC Power Meter 2503   3 Phasen Power Meter auch für 1 Phasen Messung geeignet Messbereich:600mW-36KW Spannung:... 
86 A4 High Speed XY Recorder 3025-13 (single pen)   A4 XY & TY fast recorder. One or two pen options (Green & Red). Basic accuracy:0.25% Slew... 
72 Photo-Tachometer 2607   Optischer Drehzahlmesser; Bereich 0...5000 U/min., Genauigkeit: 1,5%, bei einem Abstand bi... 
86 A4 High Speed XY Recorder 3025-23 (double pen)   A4 XY & TY fast recorder. One or two pen options (Green & Red). Basic accuracy:0.25% Slew... 
74 Multimeter (V&A) M4L   DC Volts: 0.50 mV to 1000 V. DC Amps: 1 mA to 30 A. 
68 AC Voltmeter   Voltmetro in AC con scala a specchio. 3 grandezze di fondo-scala: 75, 150, 300 V AC. St... 
70 3201   Für Widerstandsmessung ein 1.5 V mono typ "D". 
74 Digital Multimeter 2807   Bench top Digital multimeter with nixie tubes, 6 Ohm scales, 6 Dc volts scales and 4 Ac V... 
72 Universal Digital Meter 2502    
75 Earth Resistance Tester 3235 2SC696  Yokogawa Electric Co., YEW, Earth Resistance Tester 3235 

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