Santoku or Bunka is all around purposes kitchen knife coming from Japan. It's blade is normally around 13.5 and 20 cm (5-8 inch) long, having a flat edge and a sheepsfoot blade which curves in an 60 degrees angle at the point.
''Santoku'' in japanese refers to the purpose of this knife; slice, dice, mince. Santokus blades and handles are manufactured to embrace in harmony by matching the blade's width/weight to the weight of the blade tang and handle. Santokus are generally a very well balanced blade everyone should own.
Being a cook yourself you must distinguish Santokus from conventional chef's knives. If you have any doubt you can get more information in the video below:
Best Proffesional Chef's Knives