Assignee
YAMAUCHI TSUYOSHI
JP·9 granted patents·26 citations·filing 2006–2012
Top patents by PatentIndex Score
9 records- 0190US8081356B2Image reading apparatusYAMAUCHI TSUYOSHI·Filed 2009·Granted Dec 20, 2011·12 cites·10 claims
- 0289US8289587B2Image reading apparatusYAMAUCHI TSUYOSHI·Filed 2011·Granted Oct 16, 2012·8 cites·12 claims
- 0378US9223235B2Fine particles, particle group, anti-counterfeiting ink, anti-counterfeiting toner, anti-counterfeiting sheet, and anti-counterfeiting mediumYAMAUCHI TSUYOSHI·Filed 2012·Granted Dec 29, 2015·2 cites·18 claims
- 0477US9127181B2Taggant particle group; and anti-counterfeit ink, anti-counterfeit toner, anti-counterfeit sheet, and anti-counterfeit medium comprising sameYAMAUCHI TSUYOSHI·Filed 2011·Granted Sep 8, 2015·2 cites·5 claims
- 0568US9001401B2Fabrication process of multi-image type hologram, and multi-image type hologram fabricated by that processYAMAUCHI TSUYOSHI·Filed 2006·Granted Apr 7, 2015·2 cites·23 claims
- 0659US8289595B2Hologram and its holographic processYAMAUCHI TSUYOSHI·Filed 2009·Granted Oct 16, 2012·0 cites·12 claims
- 0759US8227148B2Hologram fabrication process and fabricated hologramYAMAUCHI TSUYOSHI·Filed 2009·Granted Jul 24, 2012·0 cites·4 claims
- 0857US8642231B2Hologram fabrication process and fabricated hologramYAMAUCHI TSUYOSHI·Filed 2012·Granted Feb 4, 2014·0 cites·4 claims
- 0949US8456722B2Forgery prevention medium with a volume hologram layer and information layer in different colorsYAMAUCHI TSUYOSHI·Filed 2010·Granted Jun 4, 2013·0 cites·6 claims
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