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History of the manufacturer  

Ohmatsu Electric Co., Ltd.; Tokyo

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Name: Ohmatsu Electric Co., Ltd.; Tokyo    (J)  
Abbreviation: ohmatsu
Products: Model types

Ohmatsu Electric Co., Ltd., Tokyo
Manufacturer of LEADER brand measuring equipment.

Identical models also made, labelled brand AND manufacturer Leader, Yokohama.
Details regarding change of Company name not (yet) known.


This manufacturer was suggested by Georges Van Campenhout.

Some models:
Country Year Name 1st Tube Notes
65 TV-FM Sweep Generator LSW-321   Ohmatsu LSW-321 TV-FM Sweep Generator; One scale, ~0 - 270 MHz in two bands. 
65 Leader Signal Generator LSG-11 6AR5  Six frequency ranges: Band A 120-320 kHz; band B 320-1000kHz; band C 1.0-3.2 MHz; band ...