Shareholders of Takata Corp. expressed disappointment and anger Tuesday over how the air bag maker's top management has handled its product safety fiasco.

Hiroshige Kono, 75, of Kawasaki, who came to a shareholders meeting in Tokyo the day after the company filed for bankruptcy protection under the Civil Rehabilitation Law, said it was a "mistake" for him to have invested in Takata.

"I thought Takata would be OK as it is one of the top-three global air bag makers. I thought the company would never fall," said Kono, who bought shares in Takata three years ago. "I'm ashamed of having Takata stock out of my greed. I now feel frustrated with myself."