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Invented in 1994 by Masahiro Hara at Denso Wave, Japan.
QR codes (quick-response codes) were invented in 1994 by Masahiro Hara of Denso Wave in Japan. Their original purpose was practical and industrial: to help track the types and quantities of automobile parts by replacing many individually scanned barcode labels on parts boxes with a single label that could store all the needed identification data. The design uses a square matrix of black and white modules with fiducial markers at the corners so imaging devices (like cameras) can reliably locate and read the code. Data is extracted from the horizontal and vertical patterns and protected with Reed–Solomon error correction so the code can still be interpreted even if parts of it are damaged or obscured.
Invented in 1994 by Masahiro Hara at Denso Wave, Japan.
Original goal: streamline automobile parts tracking by consolidating multiple barcode labels into one scannable code.
Uses corner fiducial markers for reliable detection and Reed–Solomon error correction for robustness.
Stores identification data for locating and tracking items, later enabling broader uses beyond automotive manufacturing.
A two-dimensional matrix barcode that encodes data in a square grid and can be read by imaging devices such as smartphone cameras.
An error-correcting method used in QR codes to recover data even when some modules are missing or damaged.
Distinct visual patterns (typically at the corners) that help a reader detect and orient a QR code in an image.
The Japanese company that developed the QR code system in 1994 for labeling and tracking automobile parts.
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