Inventor

Tatsuo Sugahara

Inventor

Osaka, JP

Overview

10→

Patents

2007–2016

Patent span

Physics

Primary field (CPC G)

Patents· 10 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 therein56%

F21VFunctional features or details of lighting devices or systems thereof25%

G02BOptical elements, systems or apparatus13%

H05KPrinted circuits6%

PatentTitleYear

9,341,888'Light reflection sheet, light source device, and display device'2016 9,175,828'Reflection sheet light source device and display device'2015 9,104,064'Light source device, illuminating device, backlight device, liquid crystal display device and display device'2015 9,097,403'Light source device and display device'2015 9,039,220'Light source device and display device'2015 8,807,771'Light source device and display device'2014 8,632,200'Light source device and display device'2014 RE044008'Surface light source device and liquid crystal display device'2013 7,295,258'Display device and liquid crystal display device having a back frame configuration that increases torsional strength'2007 7,178,968'Surface light source device and liquid crystal display device'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2016Patents assigned to SHARP KK (9)· patent assignee history

2007–2013Based in Mie, JP· patent location history

2013–2016Patents assigned to SUGAHARA TATSUO (5)· patent assignee history

2014–2016Patents assigned to FUJITA TOSHIYUKI (4)· patent assignee history

2014–2016Patents assigned to ITO KEITA (4)· patent assignee history

2014–2016Patents assigned to ITO KENICHIRO (4)· patent assignee history

2014–2016Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHARP KK	9	2007–2016
SUGAHARA TATSUOself	5	2013–2016
FUJITA TOSHIYUKI	4	2014–2016
ITO KEITA	4	2014–2016
ITO KENICHIRO	4	2014–2016

Locations

Location	Patents	Span
Osaka, JP	7	2014–2016
Mie, JP	3	2007–2013