It's all very well for Japan Inc. to lure more women into the workforce, but getting them to shine as managers is hard in this male-dominated business culture.

Seminars, such as one in Tokyo in late May, are helping to change that. Around 40 women in their 30s and 40s attended the event, titled "How to behave as a female business leader," which was organized by major publisher President Inc.

"Are you placing your hand on your knees and looking small during meetings? That will make you look like a kokeshi (wooden) doll," said instructor Kaori Yano.