Inventor · disambiguated record
Hiroki Ichiba
Also filed as: ICHIBA HIROKI
3 granted patents·0 citations·filing 2019–2021
39Inventor score
Files withTOPPAN PRINTING CO LTD3
Top patents by PatentIndex Score
3 records- 0161US12074261B2Phosphor protective film, wavelength conversion sheet with release film, wavelength conversion sheet, and production method for wavelength conversion sheetTOPPAN PRINTING CO LTD·Filed 2021·Granted Aug 27, 2024·0 cites·17 claims
- 0242US11397287B2Optical film, and optical barrier film, color conversion film and backlight unit using the optical filmTOPPAN PRINTING CO LTD·Filed 2019·Granted Jul 26, 2022·0 cites·17 claims
- 0334US11561328B2Phosphor protection film, wavelength conversion sheet, and light-emitting unitTOPPAN PRINTING CO LTD·Filed 2019·Granted Jan 24, 2023·0 cites·18 claims
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