Masamoto Knives has a history of producing quality cutlery for over 150 years and is the leading sushi chef knife maker name in Japan. If you are a professional sushi chef, odds are you own a Masamoto knife. For over 150 years Masamoto has been the #1 kitchen knife manufacturer in Japan.
According to the passage, Tomonosuke (1st generation) who founded Masamoto, was born in 1845 and he devoted all his life (47 years) to learning and making kitchen knives. His goal was to become the best and to be remembered for his dedication to his craft.
His goal has become a reality. Through 5 generations of making kitchen knives, Masamoto has become the leading brand of high-end commercial sushi knives in Japan.