Inventor · disambiguated record

Hisashi Wakasugi

Also filed as: WAKASUGI HISASHI

1 granted patent·3 citations·filing 2007–2007

22Inventor score

Technology areasC09D

Files withWAKASUGI HISASHI1

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1 record

0162US8283285B2Scratch color-developable ink and invisible information printed sheetWAKASUGI HISASHI·Filed 2007·Granted Oct 9, 2012·3 cites·15 claims

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