Tsuyoshi Uematsu

Tsuyoshi Uematsu
Tsuyoshi Uematsu graduated from Chiba University in 1984, completing a graduate program with a major in Image Science. He has conducted research on Image Processing Technologies and colour reproduction of computer outputs, and is especially interested in holography. In 1985 he joined the Printing Bureau, Ministry of Finance, Japan, which in 2003 became the National Printing Bureau, an Incorporated Administrative Agency. As a team leader, he developed the holograms for the new Japanese banknotes issued in 2004.

A new anti-counterfeiting technology

These days, luminescent materials are widely used as anti-counterfeiting measures in security documents. When exposing a banknote to ultraviolet light the illuminants can be...

Authentication technique composite substrates

Composite substrates that contain paper and polymer layers with the same thickness as traditional security paper are novel options for security documents, and unique...