Like Murata's prototype, the Rohm flavor uses square electrodes instead of the coils that you'll find in traditional wireless power solutions, like Qi.

ENGADGET: Rohm Wireless Power Transmission system hands-on (video)

There weren't any charging laptops on hand, like we saw over at Murata, but with power output at 50 and 100 watts, either pad could theoretically support it.

ENGADGET: Rohm Wireless Power Transmission system hands-on (video)

These companies have names like ShinEtsu, Murata, and Kyocera.

FORBES: Google And Samsung: The Honeymoon Is Over For Tech's Odd Couple

But unlike that seemingly identical solution from Murata, this version supports much greater power efficiency -- something in the 92 to 93 percent range (compared to the competing pad's 70-percent efficiency rating).

ENGADGET: Rohm Wireless Power Transmission system hands-on (video)

Ichiro Murata, a director at the Academy of Management Development, which lists many of Japan's corporate giants among its clients, says it is hard to find good teachers who understand both technology and business.

ECONOMIST: Japan's best engineers are having to learn about business