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Inventor
TABATA SOUTARO
JP
2 patents
Patents
2 patents
US10909432B2
Feb 2, 2021
Two-dimensional code composed of a plurality of types of cells
DENSO WAVE INC
2 citations
67
US9904828B2
Feb 27, 2018
Portable information code reader
DENSO WAVE INC
0 citations
47