Inventor profile of:

Hitoshi Kuma

City:

Sodegaura

Country:

Japan

Published Applications:

42

Last publication date:

2024-09-12

Top Assignees for applications by Hitoshi Kuma

The entities that hold a legal rights for patent applications filed by inventor Kuma Hitoshi:

Recent patent applications by Kuma Hitoshi

Hitoshi Kuma from Sodegaura, JP has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2024-09-12
US20240306490A1
Electricity

ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE

#2 | 2023-10-12
US20230322673A1
Chemistry; metallurgy

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

#3 | 2022-11-17
US20220363637A1
Chemistry; metallurgy

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

#4 | 2022-09-01
US20220278283A1
Electricity

Organic electroluminescent element and electronic device

#5 | 2021-08-05
US20210242419A1
Electricity

Organic electroluminescent element and electronic device drivable at low voltage with improved lifetime

#6 | 2020-12-31
US20200407315A1
Chemistry; metallurgy

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

#7 | 2020-05-14
US20200148639A1
Chemistry; metallurgy

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

#8 | 2019-02-14
US20190051835A1
Electricity

Organic electroluminescent element and electronic device

#9 | 2018-09-27
US20180277769A1
Electricity

Composition, organic-electroluminescence-device material, composition film, organic electroluminescence device, and electronic device

#10 | 2016-07-07
US20160197287A1
Electricity

Organic electroluminescent element

#11 | 2016-05-12
US20160130225A1
Chemistry; metallurgy

Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device

#12 | 2015-11-26
US20150340623A1
Electricity

Organic electroluminescent element

#13 | 2013-10-17
US20130270539A1
Electricity

Organic electroluminescent device

#14 | 2013-09-19
US20130240858A1
Electricity

Organic electroluminescence device

#15 | 2013-03-28
US20130075716A1
Electricity

Organic electroluminescence element

#16 | 2012-11-15
US20120286258A1
Electricity

Organic electroluminescent element and lighting device

#17 | 2012-06-21
US20120153268A1
Chemistry; metallurgy

Organic electroluminescence device

#18 | 2012-06-07
US20120138918A1
Electricity

Organic electroluminescence element

#19 | 2012-05-24
US20120126209A1
Electricity

Organic electroluminescence device

#20 | 2012-05-24
US20120126208A1
Electricity

Organic electroluminescence device

#21 | 2012-05-17
US20120119197A1
Chemistry; metallurgy

Organic electroluminescent element

#22 | 2011-03-03
US20110049483A1
Electricity

Organic electroluminescence device

#23 | 2010-12-02
US20100301319A1
Electricity

Organic electroluminescent device

#24 | 2010-12-02
US20100301318A1
Electricity

Organic electroluminescent device

#25 | 2010-08-12
US20100200848A1
Chemistry; metallurgy

Organic electroluminescent device with carrier blocking layer interposed between two emitting layers

#26 | 2010-02-25
US20100047561A1
Chemistry; metallurgy

Metal oxide phosphor microparticle and process for producing the same; utilizing the same, dispersion liquid, fluorescence conversion membrane, method of separating metal oxide phosphor microparticle, fluorescent liquid, fluorescent paste, phosphor and process for producing the same; and fluorescence converter

#27 | 2009-09-24
US20090236968A1
Electricity

Composite emitting device

#28 | 2009-09-17
US20090230845A1
Electricity

Organic electroluminescent device having an optical resonator

#29 | 2009-07-16
US20090179554A1
Electricity

Organic electroluminescence device

#30 | 2009-01-29
US20090026921A1
Electricity

Organic electroluminescent color light-emitting apparatus with organic electroluminescent devices with adjusted optical distances between electrodes

#31 | 2007-11-29
US20070273270A1
Electricity

Organic electroluminescent device with improved luminous efficiency

#32 | 2007-08-30
US20070200123A1
Electricity

Organic electroluminescence display device

#33 | 2007-07-19
US20070164662A1
Electricity

Organic electroluminescence display device

#34 | 2007-07-12
US20070159085A1
Electricity

Organic EL emission devices connected in series

#35 | 2007-05-31
US20070121129A1
Electricity

Color conversion layer and light-emitting device

#36 | 2007-04-26
US20070090753A1
Chemistry; metallurgy

Organic electroluminescent device with carrier blocking layer interposed between two emitting layers

#37 | 2006-11-02
US20060244372A1
Electricity

Composite emitting device

#38 | 2006-10-19
US20060232196A1
Chemistry; metallurgy

Blue organic electroluminescent device and display using same

#39 | 2006-10-05
US20060220538A1
Electricity

Organic electroluminescent device and display

#40 | 2006-06-15
US20060127698A1
Electricity

White organic electroluminescent device

#41 | 2005-06-02
US20050116619A1
Electricity

Color emission device

#42 | 2005-01-18
US10283342
-

Color luminous device

InventorID:

6010360 ⎘