Inventor

Yasuhiro Kumamoto

Inventor

Osaka, JP

Overview

16→

Patents

2005–2020

Patent span

Physics

Primary field (CPC G)

Patents· 16 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 therein25%

G09GArrangements or circuits for control of indicating devices using static means to present variable information19%

F21SNon-portable lighting devices17%

F21VFunctional features or details of lighting devices or systems thereof11%

G09FDisplaying8%

H05BElectric heating6%

H05KPrinted circuits4%

G02BOptical elements, systems or apparatus2%

G06FElectric digital data processing2%

H01LSemiconductor devices2%

PatentTitleYear

10,809,569Video display device2020 10,670,919Backlight device and liquid-crystal display device2020 10,663,793Image display device2020 10,643,556Video display device2020 10,642,097Image display device including multiple light source substrates2020 10,613,386Backlight device and liquid crystal display device2020 10,580,346Display device including a plurality of flexible LED mounting boards2020 10,490,143Video display device2019 10,466,536Backlight device and liquid crystal display apparatus2019 10,317,730Display device having backlight with protrusions for causing reflection sheet to bulge up2019 8,077,140'Liquid crystal display device'2011 7,773,065'Liquid crystal display and its light source driving method'2010 7,449,838'Backlight device and display unit provided with it'2008 7,265,741'Display apparatus and display apparatus drive method'2007 7,106,294'Liquid crystal display device'2006 6,980,225'Image display apparatus and method'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history

2005–2008Based in Neyagawa, JP· patent location history

2010Patents assigned to PANASONIC CORP (1)· patent assignee history

2010–2020Based in Osaka, JP· patent location history

2011Patents assigned to KUMAMOTO YASUHIRO (1)· patent assignee history

2011Patents assigned to PANSONIC CORP (1)· patent assignee history

2019–2020Patents assigned to PANASONIC IP MAN CO LTD (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PANASONIC IP MAN CO LTD	10	2019–2020
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	4	2005–2008
KUMAMOTO YASUHIROself	1	2011
PANASONIC CORP	1	2010
PANSONIC CORP	1	2011

Locations

Location	Patents	Span
Osaka, JP	12	2010–2020
Neyagawa, JP	4	2005–2008