Introduction to National Printing Bureau Technology
Pursuit of documents with higher levels of security and reliability
Since its foundation, the National Printing Bureau has contributed to society by developing technology to ensure the security of printed public documents through research on anti-counterfeiting technology. The following are examples of various Bureau's technologies considered beneficial to the general public.
Technology for anti-counterfeiting authentication
Anti-counterfeiting technology is designed to prevent forgery and illegal copying of documents. The National Printing Bureau has developed anti-counterfeiting methods that enable anyone to determine the authenticity of printed documents easily. There are several authentication methods for such determination.
●くろまるTechnology for authentication with the naked eye
This type of technology allows naked-eye authentication of printed materials. For example, authenticity may be determined by holding the printed material up to the light or looking at it from an angle without the use of special devices.
●くろまるTechnology for authentication using devices
This type of technology involves device-based authentication. Methods include using a magnifying glass, covering the document with a special sheet or photographing with a special camera.