Masamitsu Ishitobi

Person

Tsukuba-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Gas-barrier multilayer film
- Patent number 9,011,994
- Issue date Apr 21, 2015
- Sumitomo Chemical Company, Limited
- Akira Hasegawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Dibenzothiophene oxide compound, and process for producing the same
- Patent number 7,135,579
- Issue date Nov 14, 2006
- Sumitomo Chemical Company, Limited
- Chizu Sekine
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymeric fluorescent substance and polymer light emitting device
- Patent number 6,994,921
- Issue date Feb 7, 2006
- Sumitomo Chemical Company
- Takanobu Noguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
COMPOUND HAVING PHENYLACETYLENE STRUCTURE, LIQUID CRYSTAL COMPOSITI...
- Patent number 6,849,202
- Issue date Feb 1, 2005
- Sumitomo Chemical Company, Limited
- Chizu Sekine
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymeric fluorescent substance and organic electroluminescence device
- Patent number 6,403,237
- Issue date Jun 11, 2002
- Sumitomo Chemical Co., Ltd.
- Takanobu Noguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric fluorescent substance and organic electroluminescence device
- Patent number 5,980,781
- Issue date Nov 9, 1999
- Sumitomo Chemical Company, Limited
- Shuji Doi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric fluorescent substance and organic electroluminescence device
- Patent number 5,759,709
- Issue date Jun 2, 1998
- Sumitomo Chemical Company, Limited
- Shuji Doi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
GAS-BARRIER MULTILAYER FILM
- Publication number 20120040107
- Publication date Feb 16, 2012
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Akira Hasegawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
POLYMER, POLYARYLENE BLOCK COPOLYMER, POLYELECTROLYTE, POLYELECTROL...
- Publication number 20110311899
- Publication date Dec 22, 2011
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Toru Onodera
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR EVALUATING DURABILITY OF UNIT CELL, DEVICE FOR EVALUATIN...
- Publication number 20100179774
- Publication date Jul 15, 2010
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Masamitsu Ishitobi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
ELECTROLYTE CONTAINING OXOCARBON MOLECULE AND USE THEREOF
- Publication number 20100136459
- Publication date Jun 3, 2010
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Ken Yoshimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMER ELECTROLYTE MEMBRANE AND PRODUCING METHOD THEREOF, MEMBRANE...
- Publication number 20090325026
- Publication date Dec 31, 2009
- Sumitomo Chemical Company, Limited
- Masamitsu Ishitobi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DIBENZOTHIOPHENE OXIDE COMPOUND, AND PROCESS FOR PRODUCING THE SAME
- Publication number 20080139824
- Publication date Jun 12, 2008
- Chizu Sekine
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Reflective polarizer, laminated optical member, and liquid crystal...
- Publication number 20070091437
- Publication date Apr 26, 2007
- Sumitomo Chemical Company, Limited
- Toshiyuki Watanabe
- G02 - OPTICS
Information Patent Application
Compound having phenylacetylene structure, liquid crystal compositi...
- Publication number 20040232384
- Publication date Nov 25, 2004
- Sumitomo Chemical Company, Limited
- Chizu Sekine
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Compound having phenylacetylene structure, liquid crystal compositi...
- Publication number 20020110650
- Publication date Aug 15, 2002
- Chizu Sekine
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polymeric fluorescent substance and polymer light emitting device
- Publication number 20020076577
- Publication date Jun 20, 2002
- Sumitomo Chemical Company, Limited
- Takanobu Noguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Masamitsu Ishitobi

Person

Patents Grantslast 30 patents

Gas-barrier multilayer film

Dibenzothiophene oxide compound, and process for producing the same

Polymeric fluorescent substance and polymer light emitting device

COMPOUND HAVING PHENYLACETYLENE STRUCTURE, LIQUID CRYSTAL COMPOSITI...

Polymeric fluorescent substance and organic electroluminescence device

Polymeric fluorescent substance and organic electroluminescence device

Polymeric fluorescent substance and organic electroluminescence device

Patents Applicationslast 30 patents

GAS-BARRIER MULTILAYER FILM

POLYMER, POLYARYLENE BLOCK COPOLYMER, POLYELECTROLYTE, POLYELECTROL...

METHOD FOR EVALUATING DURABILITY OF UNIT CELL, DEVICE FOR EVALUATIN...

ELECTROLYTE CONTAINING OXOCARBON MOLECULE AND USE THEREOF

POLYMER ELECTROLYTE MEMBRANE AND PRODUCING METHOD THEREOF, MEMBRANE...

DIBENZOTHIOPHENE OXIDE COMPOUND, AND PROCESS FOR PRODUCING THE SAME

Reflective polarizer, laminated optical member, and liquid crystal...

Compound having phenylacetylene structure, liquid crystal compositi...

Compound having phenylacetylene structure, liquid crystal compositi...

Polymeric fluorescent substance and polymer light emitting device