Then he came from Otsu two times a month for 2year and half. We received technical guidance. Among them, the impressive thing is that whenever we face the problem he returned to the actual scene. For example, in the case of a cutlery, he took Y.Goto factory director to a cutlery maker and washes out the problem and found a solution method. I am thankful that the cost of his visit twice a month will be a burden on small enterprises and once by the college another one by us burden so that we could continue for a long time
· In the same year, Y.Inaba, my nephew who worked for three years
· In other company after graduation from university, entered our company
· and did business in charge of Tokyo area. I had wanted to make tonguecleaner, but a friend introduced good material at that time. It is elastomer resin with similar taste of rubber. Therefore I asked whether the tongue cleaning is necessary for Mr.
· M. Aono who we had close relationship in a dental study society (former Kyushu University dentistry director). He answered there is nothing safe.
· Should we make safe tongue cleaner? He answered please make a safe item. We have always consciousness that we doubt safety of chemical
· material to use in the mouth. Originally we have treated natural
· material as the maker of toothpick. The chemical company scale is very big maker. They publishes Material Safety Data Sheet (MSDS) about
· chemical materials. We had to trust them. Finally we gathered and discussed at the design company in Tokyo with business charge. Designer Mr.Shyukuwa, Coordinator Mr.Nishihama, Manufacturer Nakamura, Seller Y.Inaba and O.Inaba once a month for full two
· years.
Because I entered the laboratory of Ryukoku University apropos, I received the introduction of the offing professor in a materialization department when I heard it whether you could confirm the safety of the tongue cleaner and asked. The teacher saves it in solution same as PH of the mouth for a long term and checks whether there is the elution of the alien substance and has we still conjugate it because he gave us an official guarantee when it is a result, material safe at a
