Tomoyasu Yoshida

Person

Oita-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light emitting device
- Patent number 11,424,410
- Issue date Aug 23, 2022
- Sumitomo Chemical Company, Limited
- Toshiaki Sasada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device and composition useful for production of same...
- Patent number 11,271,166
- Issue date Mar 8, 2022
- Sumitomo Chemical Company, Limited
- Toshiaki Sasada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymer compound and light emitting device using the same
- Patent number 11,021,568
- Issue date Jun 1, 2021
- Sumitomo Chemical Company, Limited
- Ryuji Matsumoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer compound and light-emitting element using same
- Patent number 10,654,967
- Issue date May 19, 2020
- Sumitomo Chemical Company, Limited
- Mio Shiratori
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polymer and device
- Patent number 9,966,534
- Issue date May 8, 2018
- Cambridge Display Technology Limited
- Philip Stackhouse
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymer compound and light-emitting element using the same
- Patent number 9,793,486
- Issue date Oct 17, 2017
- Sumitomo Chemical Company, Limited
- Daisuke Fukushima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymer compound and light emitting device using the same
- Patent number 9,741,934
- Issue date Aug 22, 2017
- Sumitomo Chemical Company, Limited
- Tomoyasu Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluoranthene polymer compound
- Patent number 9,388,101
- Issue date Jul 12, 2016
- Sumitomo Chemical Company, Limited
- Tomoyasu Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymer compound, composition, and light-emitting device using the...
- Patent number 9,267,003
- Issue date Feb 23, 2016
- Sumitomo Chemical Company, Limited
- Tomoyasu Yoshida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing carboxylic acid compound
- Patent number 7,511,171
- Issue date Mar 31, 2009
- Sumitomo Chemical Company, Limited
- Hiroaki Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing chromone compound
- Patent number 7,094,914
- Issue date Aug 22, 2006
- Sumitomo Chemical Company, Limited
- Hiroaki Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active 4-(tert-butoxycarbonyl)piperazine compound, and me...
- Patent number 6,803,465
- Issue date Oct 12, 2004
- Sumitomo Chemical Company, Limited
- Junko Kudo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing N-acylnitroaniline derivative
- Patent number 6,630,598
- Issue date Oct 7, 2003
- Sumitomo Chemical Company, Limited
- Tomoyasu Yoshida
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME
- Publication number 20210087330
- Publication date Mar 25, 2021
- Sumitomo Chemical Company, Limited
- Ryuji MATSUMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITION, PHOSPHORESCENT COMPOUND, AND LIGHT EMITTING DEVICE
- Publication number 20200194695
- Publication date Jun 18, 2020
- Sumitomo Chemical Company, Limited
- Toshiaki SASADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20200152882
- Publication date May 14, 2020
- Sumitomo Chemical Company, Limited
- Toshiaki SASADA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20190259952
- Publication date Aug 22, 2019
- Sumitomo Chemical Company, Limited
- Toshiaki SASADA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20190221744
- Publication date Jul 18, 2019
- Sumitomo Chemical Company, Limited
- Toshiaki SASADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND COMPOSITION USEFUL FOR PRODUCTION OF SAME...
- Publication number 20190214569
- Publication date Jul 11, 2019
- Sumitomo Chemical Company, Limited
- Toshiaki SASADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITION, PHOSPHORESCENT COMPOUND, AND LIGHT EMITTING DEVICE
- Publication number 20190036046
- Publication date Jan 31, 2019
- Sumitomo Chemical Company, Limited
- Toshiaki SASADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYMER COMPOUND AND LIGHT-EMITTING ELEMENT USING SAME
- Publication number 20180230264
- Publication date Aug 16, 2018
- Sumitomo Chemical Company, Limited
- Mio SHIRATORI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME
- Publication number 20170092864
- Publication date Mar 30, 2017
- Sumitomo Chemical Company, Limited
- Tomoyasu YOSHIDA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYMER AND DEVICE
- Publication number 20150333262
- Publication date Nov 19, 2015
- Cambridge Display Technology Limited
- Philip Stackhouse
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYMER COMPOUND, COMPOSITION, AND LIGHT-EMITTING DEVICE USING THE...
- Publication number 20140367617
- Publication date Dec 18, 2014
- Sumitomo Chemical Company, Limited
- Tomoyasu Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLYMER COMPOUND AND LIGHT-EMITTING ELEMENT USING THE SAME
- Publication number 20140014935
- Publication date Jan 16, 2014
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Daisuke Fukushima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYMER COMPOUND, METHOD FOR PRODUCING SAME, AND LIGHT-EMITTING ELE...
- Publication number 20120326095
- Publication date Dec 27, 2012
- Sumitomo Chemical Company, Limited
- Tomoyasu Yoshida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FLUORANTHENE POLYMER COMPOUND
- Publication number 20120313052
- Publication date Dec 13, 2012
- Tomoyasu Yoshida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method For Producing Carboxylic Acid Compound
- Publication number 20070197824
- Publication date Aug 23, 2007
- Sumitomo Chemical Company, Limited
- Hiroaki Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing chromone compound
- Publication number 20060217565
- Publication date Sep 28, 2006
- Hiroaki Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing chromone compound
- Publication number 20050085664
- Publication date Apr 21, 2005
- SUMITOMO CHEMICAL COMPANY, LMITED
- Hiroaki Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Optically active 4-(tert-butoxycarbonyl)piperazine compound, and me...
- Publication number 20020128275
- Publication date Sep 12, 2002
- Sumitomo Chemical Company, Limited
- Junko Kudo
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing N-acylnitroaniline derivative
- Publication number 20020016506
- Publication date Feb 7, 2002
- Sumitomo Chemical Company, Limited
- Tomoyasu Yoshida
- C07 - ORGANIC CHEMISTRY

Tomoyasu Yoshida

Person

Patents Grantslast 30 patents

Light emitting device

Light emitting device and composition useful for production of same...

Polymer compound and light emitting device using the same

Polymer compound and light-emitting element using same

Polymer and device

Polymer compound and light-emitting element using the same

Polymer compound and light emitting device using the same

Fluoranthene polymer compound

Polymer compound, composition, and light-emitting device using the...

Method for producing carboxylic acid compound

Process for producing chromone compound

Optically active 4-(tert-butoxycarbonyl)piperazine compound, and me...

Process for producing N-acylnitroaniline derivative

Patents Applicationslast 30 patents

POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME

COMPOSITION, PHOSPHORESCENT COMPOUND, AND LIGHT EMITTING DEVICE

LIGHT EMITTING DEVICE

LIGHT EMITTING DEVICE

LIGHT EMITTING DEVICE

LIGHT EMITTING DEVICE AND COMPOSITION USEFUL FOR PRODUCTION OF SAME...

COMPOSITION, PHOSPHORESCENT COMPOUND, AND LIGHT EMITTING DEVICE

POLYMER COMPOUND AND LIGHT-EMITTING ELEMENT USING SAME

POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING THE SAME

POLYMER AND DEVICE

POLYMER COMPOUND, COMPOSITION, AND LIGHT-EMITTING DEVICE USING THE...

POLYMER COMPOUND AND LIGHT-EMITTING ELEMENT USING THE SAME

POLYMER COMPOUND, METHOD FOR PRODUCING SAME, AND LIGHT-EMITTING ELE...

FLUORANTHENE POLYMER COMPOUND

Method For Producing Carboxylic Acid Compound

Process for producing chromone compound

Process for producing chromone compound

Optically active 4-(tert-butoxycarbonyl)piperazine compound, and me...

Process for producing N-acylnitroaniline derivative