Once, when visiting Japan, he unexpectedly obtained the strong support of Ta-da-shi Wa-ka-ma-tsu, president of the Chugai Kasei company, who had previously retired from working at a major chemical manufacturer in Japan.
結果在一次訪日行程中，竟意外得到自日本化學大廠退休的「中外化成」若松正社長的大力支持，願意協助永光突破技術瓶頸。