Yokohama makes Prodigy Tires.
They are made in Japan.
Yes, they are.
Mirada Tires are made by Yokohama Tire. I would say Michelin are better.
Mirada tires are made by Yokohama Tire Company. They are a decent tire, for the price, but not a great tire.
Yokohama tires are very good tires. They have a great treadlife and are great for summer and winter driving. They are a bit pricey, but well worth the money.
Either the USA or Tiawan. Usually you can check the sidewall of the tire for the tire you are looking at.
They make tires in Japan, United States, China, Mexico, Philippines, Vietnam, Thailand, & Russia. Headquarters are in Japan.
When you need to find information yokohama tires it is good to start with wikipedia.org which is packed with information about Yokohama tires, followed your local motor forums. Other users can provide useful feedback to help you choose the best suppliers in your area.
It really depends. In my opinion, it doesn't sound reliable, but don't take my word for it. Go on eBay and amazon and find reviews of Yokohama tires and see what you get.
The cheapest tire sold by Yokohama Tires is the Y372 145SR12, which is a passenger tire that sells for around $50. You can compare prices at http://www.nextag.com/Yokohama-Tires-Y372-145SR12-1240328078/prices-html.
There are several companies that are working on enviromentally friendly tires. Yokohama has created a tire made entirely out of orange oil.