Inventor
Hideo Hama
Inventor
Sodegaura, JP
Overview
Patents· 18 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 elsewhere44%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein38%
C07CAcyclic or carbocyclic compounds6%
C07DHeterocyclic compounds3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
7,907,247'Liquid crystal display'20117,599,041'Liquid crystal display'20097,553,524'Liquid crystal display device'20097,553,525'Liquid crystal display'20097,553,521'Liquid crystal displays'20096,007,737'Liquid crystal compositions'19995,922,242'Liquid crystal display'19995,888,420'Liquid crystal device and process for preparing the same'19995,724,115'Liquid crystal device and process for preparing the same'19985,719,653'Liquid crystal panel including antiferroelectric liquid crystal and process for producing the same'19985,589,966'Antiferroelectric liquid crystal light modulation device'19965,445,888'Hydrazine compound, process for the preparation of the same, and nonlinear optical organic material'19955,389,287'Antiferroelectric liquid crystal composite material, process for preparing the same, and liquid crystal element using the same'19955,356,561'Carboxylate compounds, liquid crystal compositions and liquid crystal elements containing said compounds and method of optical modulation using said elements'19945,352,379'Liquid crystal composition, liquid crystal element and process for the preparation of liquid crystal element'19945,246,622'Liquid crystal racemic mixture, liquid crystal composition and liquid crystal element, process for manufacturing liquid crystal element, and uses of liquid crystal element'19935,169,556'Liquid crystal composition'19925,113,273'Liquid crystal display device'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to FUJITSU LTD (2)· patent assignee history
1992Patents assigned to MITSUI TOATSU CHEMICALS (1)· patent assignee history
1992–1999Based in Ichihara, JP· patent location history
1993–1998Patents assigned to MITSUI PETROCHEMICAL IND (8)· patent assignee history
1993–1999Based in Sodegaura, JP· patent location history
1994Based in Kimitsu, JP· patent location history
1999Patents assigned to MITSUI CHEMICALS INC (3)· patent assignee history
2009–2011Patents assigned to DAINIPPON PRINTING CO LTD (5)· patent assignee history
2009–2011Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI PETROCHEMICAL IND | 8 | 1993–1998 |
| DAINIPPON PRINTING CO LTD | 5 | 2009–2011 |
| MITSUI CHEMICALS INC | 3 | 1999 |
| FUJITSU LTD | 2 | 1992 |
| MITSUI TOATSU CHEMICALS | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sodegaura, JP | 9 | 1993–1999 |
| Tokyo, JP | 5 | 2009–2011 |
| Ichihara, JP | 3 | 1992–1999 |
| Kimitsu, JP | 1 | 1994 |