Inventor
KOMIYA MINORU
JP6 patents
Patents
6 patentsUS5602381AFeb 11, 1997
Objects to be checked for authenticity, and method and apparatus for checking whether or not objects are authentic
NHK SPRING CO LTD158 citations98
US5756220AMay 26, 1998
Object to be checked for authenticity and a method for manufacturing the same
NHK SPRING CO LTD73 citations94
US5601931AFeb 11, 1997
Object to be checked for authenticity and a method for manufacturing the same
NHK SPRING CO LTD68 citations94
US5739517AApr 14, 1998
Apparatus and a method for checking an object to be checked for authenticity
NHK SPRING CO LTD23 citations91
US7438235B2Oct 21, 2008
Non-contact information medium and communication system using non-contact information medium
NHK SPRING CO LTD14 citations83
US11473986B2Oct 18, 2022
Stress detection device
NHK SPRING CO LTD3 citations65