Hatori is the Vice President of Marketing of the Yotsuba Group. He is the illegitimate son of the company president and uses this fact to benefit himself. Death Note 13: How to Read states that he "appears to be something of a lightweight" and that he cannot handle the pressures of the meetings. After Hatori makes a careless outburst, he is killed by the Yotsuba Kira, Kyosuke Higuchi.
Hatori is a married man with children and a graduate of Futatsubashi University Literature department with an interest in ceramics.