Inventor
Tokifumi Masukawa
Inventor
Chiba, JP
Overview
Patents· 12 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 elsewhere50%
C07DHeterocyclic compounds38%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%
PatentTitleYear
10,428,273Liquid crystal compound having benzopyran skeleton, liquid crystal composition, and liquid crystal display device201910,310,303Liquid crystal compound, liquid crystal composition and liquid crystal display device using the same20199,663,716'Tetrahydropyran compound, liquid crystal composition and liquid crystal display device'20179,605,207'Orthoester derivative, liquid crystal composition and liquid crystal display device'20178,999,197'Compound having a five-membered ring, the liquid crystal composition and the liquid crystal display device'20158,795,795'Liquid crystal composition and liquid crystal display device'20148,685,274'Compound having a five-membered ring, the liquid crystal composition and the liquid crystal display device'20148,465,674'Decahydronaphthalene compound, liquid crystal composition including the compound and liquid crystal display device containing the liquid crystal composition'20138,389,073'Four-ring liquid crystal compound having tetrahydropyran and 2,2′,3,3′-tetrafluorobiphenyl, liquid crystal composition and liquid crystal display device'20138,372,306'Liquid crystal compound having negative dielectric anisotropy, liquid crystal composition, and liquid crystal display device'20137,914,862'Liquid crystal compound having negative dielectric anisotropy, liquid crystal composition, and liquid crystal display device'20117,842,357'Tetrahydropyran compound, liquid crystal, composition and liquid crystal display device containing the liquid crystal composition'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2011Patents assigned to CHISSO CORP (2)· patent assignee history
2010–2011Patents assigned to CHISSO PETROCHEMICAL CORP (2)· patent assignee history
2010–2015Based in Ichihara, JP· patent location history
2011–2019Based in Chiba, JP· patent location history
2013–2019Patents assigned to JNC CORP (10)· patent assignee history
2013–2019Patents assigned to JNC PETROCHEMICAL CORP (10)· patent assignee history
2013–2017Patents assigned to MASUKAWA TOKIFUMI (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JNC CORP | 10 | 2013–2019 |
| JNC PETROCHEMICAL CORP | 10 | 2013–2019 |
| MASUKAWA TOKIFUMIself | 7 | 2013–2017 |
| CHISSO CORP | 2 | 2010–2011 |
| CHISSO PETROCHEMICAL CORP | 2 | 2010–2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 8 | 2011–2019 |
| Ichihara, JP | 4 | 2010–2015 |