Proto Giken, Inc. is located in Gunma prefecture, Japan and has been specialized in urethane forming since 1999. <br/>Proto Giken, K.k. is able to make any kind of urethane product from soft to hard, solid or foamed so that we are able to answer any requests from customers.<br/>Proto Giken, K.k. is a R&D-oriented company and have several patents. <br/>Recently we have finally developed biomass urethane which is made from bio-material such as wood, rice and other plants and good for environment and human body. <br/>Biomass tatami mat is one of the applications of biomass urethane. *Biomass tatami mat is no longer available but other products such as soft washable antibacterial tatami mat.<br/><br/>The newest products are soft washable antibacterial tatami mats, and super soft washable antibacterial tatami mats. <br/>Their appearances are almost the same as traditional tatami mats but the production technique, materials, and their inside are quite different.<br/>Also Proto Giken, K.k. is a proudly introducing 100% urethane-made tiles and basins soon. <br/>These materials aforementioned are made by 100% all urethane and manufactured in the mold. No sewing and no craftsman's work.<br/><br/>Finally, we are to recommend you to request us free samples when you are interested in our tatami mats.<br/><br/>We look forward to having opportunity to spread our exclusive technical methods and Japanese traditional instruments to the whole world.