2017年12月

Patent
QR Code
12/20/2017

Zen International Patents and Trademark The QR code was invented by a Japanese company, DENSO WAVE (DENSO at t […]

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Design
A shoulder strap for canes
12/06/2017

Zen International Patents and Trademark A shoulder strap for canes named “ARUKUTOMO” has been featured on TV i […]

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