Inventor
Ryoma YASUI
Inventor
JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers30%
G02BOptical elements, systems or apparatus20%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%
C08JWorking-up10%
H10HInorganic light-emitting semiconductor devices having potential barriers10%
PatentTitleYear
12,522,739Ink composition202612,496,802Barrier film, wavelength conversion sheet using same, backlight and liquid crystal display device202512,078,890Barrier film, and wavelength conversion sheet, back light, and liquid crystal display device which use same202411,898,044Ink composition2024Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024–2025Patents assigned to DAINIPPON PRINTING CO LTD (2)· patent assignee history
2024–2026Patents assigned to DNP FINE CHEMICALS CO LTD (2)· patent assignee history
2024–2026Based in JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAINIPPON PRINTING CO LTD | 2 | 2024–2025 |
| DNP FINE CHEMICALS CO LTD | 2 | 2024–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 4 | 2024–2026 |