Multilayer reflector, authentication card, bar code label, authentication system, and authentication region forming system

Assignee

• Nitto Denko
• Nhk Spring Co.

Inventors

• Seiji Umemoto (102 patents)
• Kazuhito Kouno (1 patents)
• Kazumasa Shibata (9 patents)
• Itsuo Takeuchi (32 patents)
• Tokio Sakauchi (10 patents)
• Tohru Ida (17 patents)

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