Net Worth details: Takemitsu Takizaki owns 26 percent of electronic sensor maker Keyence. Takizaki owns the shares directly as well as through his son Takeshi Takizaki and through the holding company TT KK. Keyence products are used by Toyota and Toshiba and did $3.2 billion in sales in 2016. In 2015 Takizaki stepped down as the chairman of the company.
