I highly recommend the Sunnyvale Tanto restaurant on El Camino as well. Great dishes, menus that change daily, and very authentic. The place is packed with japanese nationals so you know it's good.
Try a different type of Japanese food.
This is not a typical Sushi place. The dishes are what the Japanese eat after their dinner in the late evening hours over a couple of drinks with friends. The dishes are small and as expensive as a regular entree at other types of restaurants, but good.
no ordinary japanese food.
don't expect sushi... sashimi or teriyaki... i'm sure u wanna try something different at tanto... my 1st time to tanto and i love it! i am a big fan of sushi and sashimi... but i think the hot tapas served at tanto are even better... especially in winter... the menu has so many different dishes to choose from... don't miss the roasted rice ball... beside the menu... they also have special written in japanese... ask the server for help/advise if they are not too busy or speak enough english to explain it to you...
True Japanese Cuisine.
I've tried several Japanese restaurants in the bay area and I know this is the closest it gets to a True Japanese Izakaya (tapas & drinking place). They have many small tapas, that aren't found in Americanized Japanese Restaurants, so you can try several things while sipping your sake. Each small dish was beautifully displayed. So if you're tired of california rolls and chicken teriyaki this place will introduce you to some real Japanese cuisine.