Inventor
Masayuki Iwakubo
Inventor
Kita-adachi-gun, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere24%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
C07CAcyclic or carbocyclic compounds14%
C07DHeterocyclic compounds14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%
G02BOptical elements, systems or apparatus3%
PatentTitleYear
10,336,939Stabilizer compound, liquid crystal composition, and display device20199,939,555Cinnamic acid derivative, polymer thereof, and liquid crystal alignment layer comprising cured product thereof20189,688,787'Polymerizable compound having lateral substituent in terminal ring structure'20179,684,206'Copolymer, and liquid crystal alignment layer including cured product thereof'20179,120,883'Polymerizable compound having lateral substituent in terminal ring structure'20157,670,504'Nematic liquid crystal composition and liquid crystal display device using the same'20107,651,630'Difluorobenzene derivative and nematic liquid crystal composition using the same'20107,615,564'Isoquinoline derivatives having kinasae inhibitory activity and drugs containing the same'20097,217,722'Nitrogen-containing compounds having kinase inhibitory activity and drugs containing the same'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2009Patents assigned to KIRIN BREWERY (2)· patent assignee history
2007Based in Takasaki, JP· patent location history
2009Based in Saitama, JP· patent location history
2010–2019Patents assigned to DAINIPPON INK & CHEMICALS (7)· patent assignee history
2010–2019Based in Kita-adachi-gun, JP· patent location history
2015–2018Patents assigned to HAYASHI MASANAO (3)· patent assignee history
2015–2018Patents assigned to IWAKUBO MASAYUKI (3)· patent assignee history
2017–2018Patents assigned to NAGASHIMA YUTAKA (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAINIPPON INK & CHEMICALS | 7 | 2010–2019 |
| HAYASHI MASANAO | 3 | 2015–2018 |
| IWAKUBO MASAYUKIself | 3 | 2015–2018 |
| KIRIN BREWERY | 2 | 2007–2009 |
| NAGASHIMA YUTAKA | 2 | 2017–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kita-adachi-gun, JP | 7 | 2010–2019 |
| Saitama, JP | 1 | 2009 |
| Takasaki, JP | 1 | 2007 |