Misono knives, Masahiro knives, and Masamoto knives are the top three brands that I know of. Misono knives are the best out of the three with no downside other than availability and cost.
There are several top brand of Japanese knives on the show Top Chef. Some of these brands are Kikuchi and Misono. Other brands include Nenohi Nenox and Susin.
Some brands of TV Chef professional knives are Global and Ginsu knives. Both of which are very highly recommended in the cooking community.
The best brands of chef knives you can buy online are Wusthof and Victorina. You can find them at chefscatalog.com and Amazon.com. There are other places you can find them, but these places generally have the best selection and the best prices.
One can find a list of top rated sushi knives from "Japanese Chef's Knives" website. It's a cooking site with a lot of information on cooking including knives.
All knives are able to be sharpened with proper tools. You can even sharpen knives on a flat stone if you have the skills required. Remember though, some knives stay sharp longer than other brands.
Some great brands of chef knives include Wusthof, J.A. Henckles, and Top Chef. I personally use Victorinox knives, here is a link to a great set: http://www.amazon.com/gp/product/B0000CF99O?ie=UTF8&tag=nilssonsnatur-20&linkCode=xm2&camp=1789&creativeASIN=B0000CF99O
Products that can be purchased from the Korin website mainly relate to Japanese tableware and chef knives. Products such as knife accessories, gift sets and collectors knives.
Shun brand kitchen knives appear to be widely available on sites such as Amazon, Kershaw Knives, Chef Knives to Go, Chef Depot, and Chop on the Block.
Top chefs usually use top of the line cooking knives, these brands would be Global, Wusthof, and Shun
There are tons of online companies that sell knifes online now a days. The best Japanese knifes are Misono Knives. So if the site you end up on sells them you are in a good spot to buy knifes. Thank you and i hope this helps.
Japanese chefs must have a very good set of sharp knives. This is for cutting the fish and vegetables. Additionally, they need a noodle preparer to ease in making noodles.
Knives should be stored in chef knife bags for easy transportation to various work sites. As chefs have a large volume of knives in their possession, the chef knife bag acts in a similar manner to a mechanic's toolbox.