At approximately 5:40 a.m., the 47-year-old executive was attacked in the street by a knife-wielding assailant in front of his residence in the Tokiwamachi district of Kokurakita Ward.
The victim, who was commuting to work, received wounds to the right side of his head and an arm and leg. He is undergoing treatment in a local hospital. His injuries are not considered serious.
The attacker arrived at the scene by car. He is described as being approximately 170 centimeters in height. He wore a helmet that covered head and black clothing.
Police believe an organized crime group is behind the attack and investigating whether the executive has had any disputes with gangs in the past.