Inventor

Hitoshi Oaku

Inventor

Hitachi, JP

Overview

13→

Patents

2003–2012

Patent span

Physics

Primary field (CPC G)

Patents· 13 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 therein40%

C09KMaterials for miscellaneous applications, not provided for elsewhere36%

H01JElectric discharge tubes or discharge lamps12%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

G09GArrangements or circuits for control of indicating devices using static means to present variable information4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

8,115,388'Plasma display device'2012 8,059,245'Active matrix type liquid crystal display and liquid crystal material'2011 7,826,022'Active matrix type liquid crystal display and liquid crystal material'2010 7,786,659'Plasma display with a novel green-silicate phosphor'2010 7,538,829'Active matrix type liquid crystal display and liquid crystal material'2009 7,256,843'Active matrix type liquid crystal display and liquid crystal material'2007 7,221,083'Light emitting device'2007 7,027,023'Liquid crystal display panel, liquid crystal display device, and liquid crystal television'2006 6,943,861'Liquid crystal display device with alignment layer having a relative imidization ratio above 60% '2005 6,704,082'Liquid crystal display device'2004 6,667,077'Liquid crystal display device'2003 6,660,387'Display device substrate and display device formed therewith'2003 6,645,576'Active matrix type liquid crystal display and liquid crystal material'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2012Patents assigned to HITACHI LTD (13)· patent assignee history

2003–2011Based in Hitachi, JP· patent location history

2003–2012Based in Tokyo, JP· patent location history

2011–2012Patents assigned to OAKU HITOSHI (2)· patent assignee history

2011Patents assigned to IWAKABE YASUSHI (1)· patent assignee history

2012Patents assigned to IMAMURA SHIN (1)· patent assignee history

2012Patents assigned to KOMATSU MASAAKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	13	2003–2012
OAKU HITOSHIself	2	2011–2012
IMAMURA SHIN	1	2012
IWAKABE YASUSHI	1	2011
KOMATSU MASAAKI	1	2012

Locations

Location	Patents	Span
Hitachi, JP	8	2003–2011
Tokyo, JP	5	2003–2012