Membership
Tour
Register
Log in
Kei Yoshida
Follow
Person
Chiba, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Organic electroluminescent element, material for organic electrolum...
Patent number
11,968,894
Issue date
Apr 23, 2024
Idemitsu Kosan Co., Ltd.
Toshinari Ogiwara
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Compound, material for organic electroluminescent element, organic...
Patent number
11,903,308
Issue date
Feb 13, 2024
Idemitsu Kosan Co., Ltd.
Kei Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Amide derivatives, process for preparation thereof and use thereof...
Patent number
11,760,742
Issue date
Sep 19, 2023
Mitsui Chemicals, Inc.
Kei Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound and organic electroluminescence device using the same
Patent number
11,765,972
Issue date
Sep 19, 2023
Idemitsu Kosan Co., Ltd.
Yoshinao Shirasaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Compound, material for organic electroluminescent elements, organic...
Patent number
11,739,061
Issue date
Aug 29, 2023
Idemitsu Kosan Co., Ltd.
Satomi Tasaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Compound with anticancer activity
Patent number
11,629,152
Issue date
Apr 18, 2023
KYOWA KIRIN CO., LTD.
Kenji Uchida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound, composition, organic electroluminescent element, and elec...
Patent number
11,618,722
Issue date
Apr 4, 2023
Idemitsu Kosan Co., Ltd.
Masatoshi Saito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound with anticancer activity
Patent number
11,591,344
Issue date
Feb 28, 2023
KYOWA KIRIN CO., LTD.
Kenji Uchida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescent element and electronic device
Patent number
11,569,456
Issue date
Jan 31, 2023
Idemitsu Kosan Co., Ltd.
Toshinari Ogiwara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescent element, and electronic apparatus
Patent number
11,456,425
Issue date
Sep 27, 2022
Idemitsu Kosan Co., Ltd.
Toshinari Ogiwara
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescent element, electronic device, and compound
Patent number
11,424,414
Issue date
Aug 23, 2022
Idemitsu Kosan Co., Ltd.
Kei Yoshida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound, composition, organic electroluminescent element and elect...
Patent number
11,271,164
Issue date
Mar 8, 2022
Idemitsu Kosan Co., Ltd.
Masatoshi Saito
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Specifically substituted ladder type compounds for organic light em...
Patent number
11,264,576
Issue date
Mar 1, 2022
Idemitsu Kosan Co., Ltd.
Yumiko Mizuki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescence device and electronic device
Patent number
11,201,297
Issue date
Dec 14, 2021
Idemitsu Kosan Co., Ltd.
Kei Yoshizaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound, material for organic electroluminescent elements, organic...
Patent number
11,059,781
Issue date
Jul 13, 2021
Idemitsu Kosan Co., Ltd.
Satomi Tasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence device and electronic device
Patent number
11,043,638
Issue date
Jun 22, 2021
Idemitsu Kosan Co., Ltd.
Toshinari Ogiwara
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Amide derivatives, process for preparation thereof and use thereof...
Patent number
10,995,081
Issue date
May 4, 2021
Mitsui Chemicals, Inc.
Kei Yoshida
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Organic electroluminescent element, material for organic electrolum...
Patent number
10,910,565
Issue date
Feb 2, 2021
Idemitsu Kosan Co., Ltd.
Toshinari Ogiwara
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Compound, material for organic electroluminescent elements, organic...
Patent number
10,851,055
Issue date
Dec 1, 2020
Idemitsu Kosan Co., Ltd.
Satomi Tasaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescent element and electronic device
Patent number
10,811,616
Issue date
Oct 20, 2020
Idemitsu Kosan Co., Ltd.
Toshinari Ogiwara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence element and electronic device
Patent number
10,651,398
Issue date
May 12, 2020
Idemitsu Kosan Co., Ltd.
Toshinari Ogiwara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound, material for organic electroluminescent elements, organic...
Patent number
10,590,080
Issue date
Mar 17, 2020
Idemitsu Kosan Co., Ltd.
Satomi Tasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescent element, electronic device and compound
Patent number
10,547,009
Issue date
Jan 28, 2020
Idemitsu Kosan Co., Ltd.
Kei Yoshida
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound and organic electroluminescent device using same
Patent number
10,505,123
Issue date
Dec 10, 2019
Idemitsu Kosan Co., Ltd.
Kei Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Amide derivatives, process for preparation thereof and use thereof...
Patent number
10,435,385
Issue date
Oct 8, 2019
Mitsui Chemicals, Inc.
Kei Yoshida
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Organic EL multi-color light-emitting device
Patent number
10,276,637
Issue date
Apr 30, 2019
Idemitsu Kosan Co., Ltd.
Toshiki Matsumoto
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Compound, organic electroluminescent element and electronic device
Patent number
10,249,826
Issue date
Apr 2, 2019
Idemitsu Kosan Co., Ltd.
Toshinari Ogiwara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Biscarbazole derivative, material for organic electroluminescence d...
Patent number
10,193,077
Issue date
Jan 29, 2019
Idemitsu Kosan Co., Ltd.
Tetsuya Inoue
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Material for organic electroluminescent element, and organic electr...
Patent number
9,991,447
Issue date
Jun 5, 2018
IDEMITSU KOREA CO., LTD.
Toshihiro Iwakuma
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fused heterocyclic aromatic derivative, organic electroluminescence...
Patent number
9,978,952
Issue date
May 22, 2018
Idemitsu Kosan Co., Ltd.
Yuki Nakano
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...
Publication number
20240172558
Publication date
May 23, 2024
IDEMITSU KOSAN CO.,LTD.
Sayaka MIZUTANI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20240107876
Publication date
Mar 28, 2024
Idemitsu Kosan Co.,Ltd
Hiroaki TOYOSHIMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
AMIDE DERIVATIVES, PROCESS FOR PREPARATION THEREOF AND USE THEREOF...
Publication number
20230373947
Publication date
Nov 23, 2023
Mitsui Chemicals, Inc.
Kei Yoshida
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
Publication number
20230322673
Publication date
Oct 12, 2023
Idemitsu Kosan Co.,Ltd
Satomi TASAKI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, ORGANIC...
Publication number
20230217813
Publication date
Jul 6, 2023
Idemitsu Kosan Co.,Ltd
Masatoshi SAITO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, ORGANIC...
Publication number
20230200226
Publication date
Jun 22, 2023
Idemitsu Kosan Co.,Ltd
Masatoshi SAITO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
Publication number
20230167072
Publication date
Jun 1, 2023
IDEMITSU KOSAN CO.,LTD.
Kei YOSHIDA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND WITH ANTICANCER ACTIVITY
Publication number
20230159554
Publication date
May 25, 2023
KYOWA KIRIN CO., LTD.
Kenji UCHIDA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20230127629
Publication date
Apr 27, 2023
IDEMITSU KOSAN CO.,LTD.
Kei YOSHIDA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20230126981
Publication date
Apr 27, 2023
Idemitsu Kosan Co., Ltd.
Toshinari OGIWARA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
Publication number
20230124891
Publication date
Apr 20, 2023
IDEMITSU KOSAN CO.,LTD.
Kei YOSHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, MATERIAL FOR AN ORGANIC ELECTROLUMINESCENCE DEVICE AND AN...
Publication number
20230123170
Publication date
Apr 20, 2023
IDEMITSU KOSAN CO.,LTD.
Heinz WOLLEB
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...
Publication number
20230108999
Publication date
Apr 6, 2023
IDEMITSU KOSAN CO.,LTD.
Kei YOSHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
Publication number
20230085328
Publication date
Mar 16, 2023
Idemitsu Kosan Co.,Ltd
Masato MITANI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
Publication number
20230047894
Publication date
Feb 16, 2023
Idemitsu Kosan Co.,Ltd
Yoshinao SHIRASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, ORGANIC ELECTROLUMINESCENCE DEVICE, AND ELECTRONIC APPARATUS
Publication number
20230042547
Publication date
Feb 9, 2023
Idemitsu Kosan Co.,Ltd
Kei YOSHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC APPARATUS
Publication number
20230014964
Publication date
Jan 19, 2023
Idemitsu Kosan Co.,Ltd
Toshinari OGIWARA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOSITION, ORGANIC ELECTROLUMINESCENCE DEVICE, AND ELECTRONIC APP...
Publication number
20220416178
Publication date
Dec 29, 2022
Idemitsu Kosan Co.,Ltd
Hiroaki TOYOSHIMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
Publication number
20220384734
Publication date
Dec 1, 2022
Idemitsu Kosan Co.,Ltd
Tomokatsu KUSHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
Publication number
20220363637
Publication date
Nov 17, 2022
Idemitsu Kosan Co., Ltd.
Satomi Tasaki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
Publication number
20220359831
Publication date
Nov 10, 2022
IDEMITSU KOSAN CO.,LTD.
Tomokatsu KUSHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...
Publication number
20220298147
Publication date
Sep 22, 2022
IDEMITSU KOSAN CO.,LTD.
Kei YOSHIDA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND, MIXTURE THEREOF, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE...
Publication number
20220289717
Publication date
Sep 15, 2022
Idemitsu Kosan Co.,Ltd
Masato MITANI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...
Publication number
20220281856
Publication date
Sep 8, 2022
IDEMITSU KOSAN CO.,LTD.
Masatoshi SAITO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICES, ORGANIC...
Publication number
20220278286
Publication date
Sep 1, 2022
Idemitsu Kosan Co.,Ltd
Kei YOSHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...
Publication number
20210359217
Publication date
Nov 18, 2021
IDEMITSU KOSAN CO.,LTD.
Kei YOSHIDA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
AMIDE DERIVATIVES, PROCESS FOR PREPARATION THEREOF AND USE THEREOF...
Publication number
20210230135
Publication date
Jul 29, 2021
Mitsui Chemicals, Inc.
Kei Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMINT, MATERIAL FOR ORGANIC ELECTROLUM...
Publication number
20210104680
Publication date
Apr 8, 2021
Idemitsu Kosan Co., Ltd.
Toshinari OGIWARA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT, ELECTRONIC DEVICE, AND COMPOUND
Publication number
20210098707
Publication date
Apr 1, 2021
IDEMITSU KOSAN CO.,LTD.
Kei YOSHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND WITH ANTICANCER ACTIVITY
Publication number
20210024540
Publication date
Jan 28, 2021
KYOWA KIRIN CO., LTD.
Kenji UCHIDA
C07 - ORGANIC CHEMISTRY