Masahiro Yamashita

Person

Otsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Laminate of polyimide film and inorganic substrate
- Patent number 12,115,755
- Issue date Oct 15, 2024
- Toyobo Co., Ltd.
- Masahiro Yamashita
- B32 - LAYERED PRODUCTS
Information Patent Grant
Film roll and film bundle
- Patent number 11,655,118
- Issue date May 23, 2023
- Toyobo Co., Ltd.
- Kaya Tokuda
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polymer film laminated substrate and method for producing flexible...
- Patent number 11,267,216
- Issue date Mar 8, 2022
- Toyobo Co., Ltd.
- Tetsuo Okuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polyimide film layered body
- Patent number 11,065,853
- Issue date Jul 20, 2021
- Toyobo Co., Ltd.
- Shota Hara
- B32 - LAYERED PRODUCTS
Information Patent Grant
Sulfonic acid group-containing polymer, method for producing the sa...
- Patent number 8,445,141
- Issue date May 21, 2013
- Toyo Boseki Kabushiki Kaisha
- Kota Kitamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing a polymer electrolyte membrane
- Patent number 8,304,133
- Issue date Nov 6, 2012
- Toyo Boseki Kabushiki Kaisha
- Kousuke Sasai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic hydrocarbon based proton exchange membrane and direct meth...
- Patent number 8,216,727
- Issue date Jul 10, 2012
- Toyo Boseki Kabushiki Kaisha
- Masahiro Yamashita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Proton-conducting polymer composition and method for preparation th...
- Patent number 8,187,734
- Issue date May 29, 2012
- Toyo Boseki Kabushiki Kaisha
- Masahiro Yamashita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyarylene ether compound containing sulfonic acid group, composit...
- Patent number 7,754,844
- Issue date Jul 13, 2010
- Toyo Boseki Kabushiki Kaisha
- Yoshimitsu Sakaguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Battery separator, process for producing the same, and alkaline bat...
- Patent number 6,821,680
- Issue date Nov 23, 2004
- Toyo Boseki Kabushiki Kaisha
- Toshio Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery separator, process for producing the same, and alkaline bat...
- Patent number 6,403,265
- Issue date Jun 11, 2002
- Toyo Boseki Kabushiki Kaisha
- Toshio Tanaka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HEAT-RESISTANT POLYMER FILM LAMINATE AND METHOD FOR PRODUCING HEAT-...
- Publication number 20220143964
- Publication date May 12, 2022
- Toyobo Co., Ltd.
- Masahiro YAMASHITA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
LAMINATE, AND METHOD FOR PRODUCING LAMINATE
- Publication number 20210308987
- Publication date Oct 7, 2021
- Toyobo Co., Ltd.
- Tetsuo OKUYAMA
- B32 - LAYERED PRODUCTS
Information Patent Application
LAMINATE OF POLYIMIDE FILM AND INORGANIC SUBSTRATE
- Publication number 20210122143
- Publication date Apr 29, 2021
- Toyobo Co., Ltd.
- Masahiro YAMASHITA
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYMER FILM LAMINATED SUBSTRATE AND METHOD FOR PRODUCING FLEXIBLE...
- Publication number 20200180259
- Publication date Jun 11, 2020
- Toyobo Co., Ltd.
- Tetsuo OKUYAMA
- B32 - LAYERED PRODUCTS
Information Patent Application
FILM ROLL AND FILM BUNDLE
- Publication number 20200180888
- Publication date Jun 11, 2020
- Toyobo Co., Ltd.
- Kaya TOKUDA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
POLYIMIDE FILM LAYERED BODY
- Publication number 20190134963
- Publication date May 9, 2019
- Toyobo Co., Ltd.
- Shota HARA
- B32 - LAYERED PRODUCTS
Information Patent Application
Novel Sulfonic Acid Group-Containing Segmented Block Copolymer and...
- Publication number 20120129076
- Publication date May 24, 2012
- Toyo Boseki Kabushiki Kaisha
- Shunsuke Ichimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
AROMATIC HYDROCARBON BASED PROTON EXCHANGE MEMBRANE AND DIRECT METH...
- Publication number 20120052411
- Publication date Mar 1, 2012
- Masahiro Yamashita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Novel Sulfonic-Acid-Group-Containing Segmented Block Copolymer, App...
- Publication number 20110065021
- Publication date Mar 17, 2011
- Toyo Boseki Kabushiki Kaisha
- Kouta Kitamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING A POLYMER ELECTROLYTE MEMBRANE
- Publication number 20100055536
- Publication date Mar 4, 2010
- TOYO BOSEKI KABUSHIKI KAISHA
- Kousuke Sasai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROTON-CONDUCTING POLYMER COMPOSITION AND METHOD FOR PREPARATION TH...
- Publication number 20090269643
- Publication date Oct 29, 2009
- Masahiro Yamashita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Sulfonic acid group-containing polymer, method for producing the sa...
- Publication number 20090075147
- Publication date Mar 19, 2009
- Kota Kitamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Electrolyte Membrane-Electrode Assembly, Fuel Cell Using The Same,...
- Publication number 20080063917
- Publication date Mar 13, 2008
- Masahiro Yamashita
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
AROMATIC HYDROCARBON BASED PROTON EXCHANGE MEMBRANE AND DIRECT METH...
- Publication number 20070207361
- Publication date Sep 6, 2007
- Masahiro YAMASHITA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyarylene ether compound containing sulfonic acid group, composit...
- Publication number 20060166048
- Publication date Jul 27, 2006
- Yoshimitsu Sakaguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Battery separator, process for producing the same, and alkaline bat...
- Publication number 20020160260
- Publication date Oct 31, 2002
- Toshio Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Battery separator, process for producing the same, and alkaline bat...
- Publication number 20020155347
- Publication date Oct 24, 2002
- Toshio Tanaka
- H01 - BASIC ELECTRIC ELEMENTS

Masahiro Yamashita

Person

Patents Grantslast 30 patents

Laminate of polyimide film and inorganic substrate

Film roll and film bundle

Polymer film laminated substrate and method for producing flexible...

Polyimide film layered body

Sulfonic acid group-containing polymer, method for producing the sa...

Method for producing a polymer electrolyte membrane

Aromatic hydrocarbon based proton exchange membrane and direct meth...

Proton-conducting polymer composition and method for preparation th...

Polyarylene ether compound containing sulfonic acid group, composit...

Battery separator, process for producing the same, and alkaline bat...

Battery separator, process for producing the same, and alkaline bat...

Patents Applicationslast 30 patents

HEAT-RESISTANT POLYMER FILM LAMINATE AND METHOD FOR PRODUCING HEAT-...

LAMINATE, AND METHOD FOR PRODUCING LAMINATE

LAMINATE OF POLYIMIDE FILM AND INORGANIC SUBSTRATE

POLYMER FILM LAMINATED SUBSTRATE AND METHOD FOR PRODUCING FLEXIBLE...

FILM ROLL AND FILM BUNDLE

POLYIMIDE FILM LAYERED BODY

Novel Sulfonic Acid Group-Containing Segmented Block Copolymer and...

AROMATIC HYDROCARBON BASED PROTON EXCHANGE MEMBRANE AND DIRECT METH...

Novel Sulfonic-Acid-Group-Containing Segmented Block Copolymer, App...

METHOD FOR PRODUCING A POLYMER ELECTROLYTE MEMBRANE

PROTON-CONDUCTING POLYMER COMPOSITION AND METHOD FOR PREPARATION TH...

Sulfonic acid group-containing polymer, method for producing the sa...

Electrolyte Membrane-Electrode Assembly, Fuel Cell Using The Same,...

AROMATIC HYDROCARBON BASED PROTON EXCHANGE MEMBRANE AND DIRECT METH...

Polyarylene ether compound containing sulfonic acid group, composit...

Battery separator, process for producing the same, and alkaline bat...

Battery separator, process for producing the same, and alkaline bat...