Pretty cool, I saw my first Japanese woman motorcycle police officer today. I was standing at the intersection with my son when this kid on a scooter went through followed by a motorcycle officer.
The kid pulled over and no mistaking, a female officer got off her bike and approached the kid. Gawking is not cool in Japan, I continued walking without taking a pic.
Japan is a chauvinistic country, however one cannot deny the public sector makes an effort to even the field. Last time I was at immigration the head honcho was a woman and the men were the paper pushers.