Kei YOSHIZAKI

Person

Sodegaura-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescence element and electronic device
- Patent number 11,723,272
- Issue date Aug 8, 2023
- Idemitsu Kosan Co., Ltd.
- Kei Yoshizaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
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
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
Organic electroluminescent element and electronic device containing...
- Patent number 11,189,803
- Issue date Nov 30, 2021
- Idemitsu Kosan Co., Ltd.
- Kei Yoshizaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

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
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
- Publication number 20210074925
- Publication date Mar 11, 2021
- IDEMITSU KOSAN CO.,LTD.
- Kei YOSHIZAKI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
- Publication number 20210020846
- Publication date Jan 21, 2021
- IDEMITSU KOSAN CO.,LTD.
- Kei YOSHIZAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC DEVICE
- Publication number 20200365812
- Publication date Nov 19, 2020
- Idemitsu Kosan Co.,Ltd
- Kei YOSHIZAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND, COMPOSITION, ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECT...
- Publication number 20200358000
- Publication date Nov 12, 2020
- Masatoshi SAITO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
- Publication number 20200321540
- Publication date Oct 8, 2020
- IDEMITSU KOSAN CO; LTD.
- Kei YOSHIZAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC DEVICE
- Publication number 20200035922
- Publication date Jan 30, 2020
- IDEMITSU KOSAN CO., LTD.
- Toshinari OGIWARA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOUND, COMPOSITION, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELEC...
- Publication number 20190337872
- Publication date Nov 7, 2019
- IDEMITSU KOSAN CO.,LTD.
- Masatoshi SAITO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC DEVICE
- Publication number 20190288221
- Publication date Sep 19, 2019
- IDEMITSU KOSAN CO., LTD.
- Kei Yoshizaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC DEVICE
- Publication number 20190245152
- Publication date Aug 8, 2019
- IDEMITSU KOSAN CO., LTD.
- Masatoshi SAITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
- Publication number 20190081249
- Publication date Mar 14, 2019
- IDEMITSU KOSAN CO., LTD.
- Masatoshi SAITO
- H01 - BASIC ELECTRIC ELEMENTS

Kei YOSHIZAKI

Person

Patents Grantslast 30 patents

Organic electroluminescence element and electronic device

Compound, composition, organic electroluminescent element, and elec...

Organic electroluminescent element, electronic device, and compound

Compound, composition, organic electroluminescent element and elect...

Organic electroluminescence device and electronic device

Organic electroluminescent element and electronic device containing...

Patents Applicationslast 30 patents

ORGANIC ELECTROLUMINESCENT ELEMENT, ELECTRONIC DEVICE, AND COMPOUND

ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE

ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE

ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC DEVICE

COMPOUND, COMPOSITION, ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECT...

ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE

ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC DEVICE

COMPOUND, COMPOSITION, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELEC...

ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC DEVICE

ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC DEVICE

ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE