- Katsuyuki Yoshida became independent from Yoshida Co., Ltd. and established Porter Classic Co., Ltd. with his son Leo Yoshida. The corporate philosophy of Porter Classic is "Producing products by global standards." It is a standard manufacturing that will continue to be loved for a long time regardless of the trends. In honor of traditional cultures around the world, they adds a new essence to its unchanging one and establishes a new style with their own perspective and sensibilities. They stick to "Made in Japan" and pursue products that will be loved by the next generation and grandchildren by working on the high technology of Japanese craftsmen.