Inventor
Hideaki Homma
Inventor
Ashikaga, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus23%
F21SNon-portable lighting devices15%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein15%
H01LSemiconductor devices15%
H05BElectric heating15%
H10KOrganic electric solid-state devices15%
PatentTitleYear
9,763,288'EL panel, and illumination device and display device using the same'20179,112,185'El panel, and illumination device and display device using the same'20158,218,106'Bulk diffuser, and polarizing plate and liquid crystal display apparatus comprising the same'20127,573,549'Optical device, polarizing plate, diffuser, diffusing film, polarizing film and liquid crystal image display apparatus'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2017Patents assigned to TOPPAN PRINTING CO LTD (4)· patent assignee history
2009–2015Based in Ashikaga, JP· patent location history
2012–2015Patents assigned to HOMMA HIDEAKI (2)· patent assignee history
2012Patents assigned to NISHIHARA TAKASHI (1)· patent assignee history
2015Patents assigned to KAGOTANI AKIHITO (1)· patent assignee history
2015Patents assigned to MORONAGA KOHHEI (1)· patent assignee history
2017Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOPPAN PRINTING CO LTD | 4 | 2009–2017 |
| HOMMA HIDEAKIself | 2 | 2012–2015 |
| KAGOTANI AKIHITO | 1 | 2015 |
| MORONAGA KOHHEI | 1 | 2015 |
| NISHIHARA TAKASHI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ashikaga, JP | 3 | 2009–2015 |
| Tokyo, JP | 1 | 2017 |