Inventor
Wataru Tokuhara
Inventor
Shinjuku-ku, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein45%
G02BOptical elements, systems or apparatus36%
B42DBooks9%
B42FSheets temporarily attached together9%
PatentTitleYear
9,158,041'Optical sheet, surface light source device, and transmission display device'20157,722,240'Surface light source device and transmission display device'20107,628,502'Light controlling sheet and surface light source device'20097,568,820'Light-controlling sheet and surface illuminant unit'20097,408,708'Diffusing sheet, surface light source unit, and transmission type display'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2015Patents assigned to DAINIPPON PRINTING CO LTD (5)· patent assignee history
2008–2009Based in Shinjuku-ku, JP· patent location history
2009Based in Hiroshima, JP· patent location history
2010Based in Higashihiroshima, JP· patent location history
2015Patents assigned to GOTO AKIKO (1)· patent assignee history
2015Patents assigned to GOTO MASAHIRO (1)· patent assignee history
2015Patents assigned to KODAMA DAIJIRO (1)· patent assignee history
2015Patents assigned to SAWANOBORI JUNICHI (1)· patent assignee history
2015Based in Okazaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAINIPPON PRINTING CO LTD | 5 | 2008–2015 |
| GOTO AKIKO | 1 | 2015 |
| GOTO MASAHIRO | 1 | 2015 |
| KODAMA DAIJIRO | 1 | 2015 |
| SAWANOBORI JUNICHI | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shinjuku-ku, JP | 2 | 2008–2009 |
| Okazaki, JP | 1 | 2015 |
| Higashihiroshima, JP | 1 | 2010 |
| Hiroshima, JP | 1 | 2009 |