There are a lot of brands and restaurants born in the US and made a success in Japan. Looking at their web sites and the usage of social media channels, I admire they are doing so well in Japanese contents with no exception. Here are the 3 companies that marketing well in Japan I have chosen from my own perspective.
The first thing you have to do to start business in Japan is to have contents translated into Japanese. There are a lot of sites machine translated and ended up with awkward contents, and I would say it is a bad practice. Let me explain how translation agency works in general, and few things you should keep in mind when creating effective marketing messages.
Understanding customer motivations is critical when selling products. Your messaging has to be intuitive to people's mind. You, as a marketer, set the target segment and create nice catchy wordings. You may think "why not using this nice copy for Japanese customers?" The most affordable way to translate is machine translation.