To allow reading and writing onto only a tag of a desired (in particular, the uppermost layer) sheet, in a laminated sheetlike product provided with a noncontact recognition device (RFID/tag) and having a plurality of sheets under a layered condition.
The present invention provides a laminated sheetlike product layered with the plurality of sheets. The tag including a tag main body part and an antenna is provided in each of two or more of sheets, the antennas are arranged to be positioned in areas different each other in top view of a plane, a conductor part is provided in the sheet where the other sheet provided with the tag in its under layer exists, out of the two or more of sheets provided with the tag, and the conductor part is formed to cover the antenna provided in the other sheet in the under layer, in the top view of the plane. In another embodiment, the antenna is arranged to be positioned in the substantially same area, in the top view of the plane, and the conductor part is provided to cover the antenna in the under layer sheet by the same manner hereinbefore. The conductor part may be a separate sheet.
TAKASHINA HIROYUKI
MATSUURA TOSHINORI
OISHI TAIYO
