Inventor

Takafumi Kokusho

Inventor

Tokyo, JP

Overview

6→

Patents

2013–2020

Patent span

Physics

Primary field (CPC G)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary

G02BOptical elements, systems or apparatus27%

F21VFunctional features or details of lighting devices or systems thereof13%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%

G06FElectric digital data processing13%

G01CMeasuring distances, levels or bearings7%

G09FDisplaying7%

G09GArrangements or circuits for control of indicating devices using static means to present variable information7%

H04NPictorial communication, e.g. television7%

H05KPrinted circuits7%

PatentTitleYear

10,627,643Display with controllable brightness of areas of surface light source panel2020 9,891,660'Display device'2018 9,462,711'Display device mounted in housing with elastic body'2016 8,950,926'Planar light source apparatus and display apparatus using the same'2015 8,885,118'Illumination device and liquid crystal display having a light guide plate with protrusions of multiple heights'2014 8,382,355'Planar light source device and display apparatus'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2020Patents assigned to MITSUBISHI ELECTRIC CORP (6)· patent assignee history

2013–2015Patents assigned to KOKUSHO TAKAFUMI (3)· patent assignee history

2013–2020Based in Tokyo, JP· patent location history

2014Patents assigned to ITOGA KENJI (1)· patent assignee history

2014Patents assigned to IWASAKI NAOKO (1)· patent assignee history

2014Patents assigned to SAKAI SEIJI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	6	2013–2020
KOKUSHO TAKAFUMIself	3	2013–2015
ITOGA KENJI	1	2014
IWASAKI NAOKO	1	2014
SAKAI SEIJI	1	2014

Locations

Location	Patents	Span
Tokyo, JP	6	2013–2020