Inventor · disambiguated record
Hirotada Ohkawa
Also filed as: OHKAWA HIROTADA
2 granted patents·20 citations·filing 2001–2008
53Inventor score
Files withDAINIPPON PRINTING CO LTD2
Top patents by PatentIndex Score
2 records- 0180US6596360B2Multilayer volume hologram, and label for multilayer volume hologram fabricationDAINIPPON PRINTING CO LTD·Filed 2001·Granted Jul 22, 2003·20 cites·9 claims
- 0249US8367275B2Lengthy volume hologram layer transfer foil, method of producing volume hologram laminate using the same and volume hologram laminateDAINIPPON PRINTING CO LTD·Filed 2008·Granted Feb 5, 2013·0 cites·6 claims
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