福田 弘之

Encoding apparatus and encoding method of the image data

中川 千尋, 寛 佐々木, 山田 秀俊, 1990 .

Code reading apparatus, a recording medium, electronic apparatus, data transmitting and receiving system, and method of transmitting and receiving data

福田 弘之, 松井 亮, 2000 .

Information recording medium, the two-dimensional code, the information reproducing system, and an information reproducing method

寛 佐々木, 龍田 成示, 鶴岡 建夫, 1994 .

A fixed point theorem in Hilbert space

福田 弘之, 1982 .