Tamron's president has resigned after misappropriating expenses:
"Camera lens maker Tamron announced on the 22nd that its president, Shiro Ajisaka, 69, had resigned after it was discovered that he had misappropriated the company's expenses for personal use. For at least the past five years, Ajisaka reportedly ate at a restaurant involving a particular woman multiple times a month, forcing her company to pay for it." (Yahoo)
Tamron's official press release (in Japanese) can be found here.