Hiroyuki Kawai

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Alkaline battery separator and method for producing same
- Patent number 11,936,067
- Issue date Mar 19, 2024
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reinforcing fiber, method for manufacturing same, and molded body u...
- Patent number 11,884,788
- Issue date Jan 30, 2024
- Kuraray Co., Ltd.
- Toru Asada
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Separator, and separator for alkaline manganese dry battery compris...
- Patent number 11,450,922
- Issue date Sep 20, 2022
- Kuraray Co., Ltd.
- Tomoki Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Readily fibrillative polyvinyl alcohol fiber and method for manufac...
- Patent number 11,053,610
- Issue date Jul 6, 2021
- Kuraray Co., Ltd.
- Masami Kawakami
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Dispersant for carbon fibers, carbon fiber dispersion composition,...
- Patent number 10,533,287
- Issue date Jan 14, 2020
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Separator for alkaline batteries, and alkaline battery using same
- Patent number 10,461,294
- Issue date Oct 29, 2019
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alkaline battery separator
- Patent number 10,446,820
- Issue date Oct 15, 2019
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Extra-fine fiber sheet
- Patent number 10,106,923
- Issue date Oct 23, 2018
- Kuraray Co., Ltd.
- Takayoshi Hosoya
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Separator for electric double layer capacitors, and electric double...
- Patent number 10,020,124
- Issue date Jul 10, 2018
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Separator for nonaqueous cell and nonaqueous cell
- Patent number 9,748,543
- Issue date Aug 29, 2017
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Separator for nonaqueous cell and nonaqueous cell
- Patent number 9,711,769
- Issue date Jul 18, 2017
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Filtration material for filters, and filter cartridge
- Patent number 9,498,742
- Issue date Nov 22, 2016
- Kuraray Co., Ltd.
- Takayoshi Hosoya
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Separator for non-aqueous batteries and non-aqueous battery equippe...
- Patent number 9,343,721
- Issue date May 17, 2016
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Alkaline battery separator and alkaline battery using separator
- Patent number 9,142,816
- Issue date Sep 22, 2015
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Separator for alkaline battery, method for producing the same, and...
- Patent number 8,865,336
- Issue date Oct 21, 2014
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Separator for non-aqueous batteries, non-aqueous battery using same...
- Patent number 8,802,271
- Issue date Aug 12, 2014
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Laminate, separator for capacitor, and capacitor
- Patent number 8,477,480
- Issue date Jul 2, 2013
- Kuraray Co., Ltd.
- Tomohiro Hayakawa
- B32 - LAYERED PRODUCTS
Information Patent Grant
Alkaline battery separator comprising alkali-resistance synthetic f...
- Patent number 8,097,366
- Issue date Jan 17, 2012
- Kuraray Co., Ltd.
- Toshimitsu Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Separator for battery and alkaline battery
- Patent number 7,754,387
- Issue date Jul 13, 2010
- Kuraray Co., Ltd.
- Toshimitsu Harada
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Separator for alkaline batteries
- Patent number 5,366,832
- Issue date Nov 22, 1994
- Kuraray Co., Ltd.
- Hideo Hayashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METAL-COVERED LIQUID CRYSTAL POLYESTER MULTIFILAMENT
- Publication number 20230096613
- Publication date Mar 30, 2023
- KURARAY CO., LTD.
- Tomoki SAKAI
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
WATERPROOFING SHEET FOR CIVIL ENGINEERING USE
- Publication number 20230075020
- Publication date Mar 9, 2023
- KURARAY CO., LTD.
- Kazumasa KUSUDO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SEPARATOR FOR ELECTROCHEMICAL ELEMENTS
- Publication number 20230044329
- Publication date Feb 9, 2023
- KURARAY CO., LTD.
- Toshimichi KUSUNOKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURFACE-MODIFIED FIBERS, REINFORCING FIBERS, AND MOLDED ARTICLE USI...
- Publication number 20220306822
- Publication date Sep 29, 2022
- KURARAY CO., LTD.
- Eiichi ISHIDA
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
ALKALINE BATTERY SEPARATOR AND METHOD FOR PRODUCING SAME
- Publication number 20220069417
- Publication date Mar 3, 2022
- Kuraray Co., Ltd
- Tomohiro HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
REINFORCING FIBER, METHOD FOR MANUFACTURING SAME, AND MOLDED BODY U...
- Publication number 20220049062
- Publication date Feb 17, 2022
- KURARAY CO., LTD.
- Toru ASADA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
REINFORCING FIBERS AND PRODUCTION METHOD THEREFOR, AND MOLDED ARTIC...
- Publication number 20210222036
- Publication date Jul 22, 2021
- Kuraray Co., Ltd
- Toru ASADA
- B60 - VEHICLES IN GENERAL
Information Patent Application
SEPARATOR, AND SEPARATOR FOR ALKALINE MANGANESE DRY BATTERY COMPRIS...
- Publication number 20210111463
- Publication date Apr 15, 2021
- KURARAY CO., LTD.
- Tomoki SAKAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMOPLASTIC RESIN FIBER WITH DISPERSANT ATTACHED
- Publication number 20190360149
- Publication date Nov 28, 2019
- Kuraray Co., Ltd
- Tomoki SAKAI
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
DISPERSANT FOR CARBON FIBERS, CARBON FIBER DISPERSION COMPOSITION,...
- Publication number 20180313037
- Publication date Nov 1, 2018
- Kuraray Co., Ltd
- Tomohiro HAYAKAWA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ALKALINE BATTERY SEPARATOR
- Publication number 20180269450
- Publication date Sep 20, 2018
- Kuraray Co., Ltd
- Tomohiro HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
READILY FIBRILLATIVE POLYVINYL ALCOHOL FIBER AND METHOD FOR MANUFAC...
- Publication number 20180179669
- Publication date Jun 28, 2018
- Kuraray Co., Ltd
- Masami KAWAKAMI
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
WATER FILTER APPARATUS AND METHOD OF FILTERING FINE PARTICLES FROM...
- Publication number 20170203245
- Publication date Jul 20, 2017
- Kuraray Co., Ltd
- Takayoshi HOSOYA
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
SEPARATOR FOR ALKALINE BATTERIES, AND ALKALINE BATTERY USING SAME
- Publication number 20170005311
- Publication date Jan 5, 2017
- Kuraray Co., Ltd
- Tomohiro HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEPARATOR FOR ELECTRIC DOUBLE LAYER CAPACITORS, AND ELECTRIC DOUBLE...
- Publication number 20150294801
- Publication date Oct 15, 2015
- Kuraray Co., Ltd
- Tomohiro HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEPARATOR FOR NONAQUEOUS CELL AND NONAQUEOUS CELL
- Publication number 20150079479
- Publication date Mar 19, 2015
- Kuraray Co., Ltd
- Tomohiro HAYAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEPARATOR FOR NON-AQUEOUS BATTERIES AND NON-AQUEOUS BATTERY EQUIPPE...
- Publication number 20130224557
- Publication date Aug 29, 2013
- Kuraray Co., Ltd
- Tomohiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ALKALINE BATTERY SEPARATOR AND ALKALINE BATTERY USING SEPARATOR
- Publication number 20130183569
- Publication date Jul 18, 2013
- Kuraray Co., Ltd
- Tomohiro Hayakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEPARATOR FOR NON-AQUEOUS BATTERIES, NON-AQUEOUS BATTERY USING SAME...
- Publication number 20120164514
- Publication date Jun 28, 2012
- KURARAY CO., LTD.
- Tomohiro Hayakawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
FILTRATION MATERIAL FOR FILTERS, AND FILTER CARTRIDGE
- Publication number 20110309014
- Publication date Dec 22, 2011
- Kuraray Co., Ltd
- Takayoshi Hosoya
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
SEPARATOR FOR ALKALINE BATTERY, METHOD FOR PRODUCING THE SAME, AND...
- Publication number 20100310921
- Publication date Dec 9, 2010
- KURARAY CO., LTD.
- Tomohiro Hayakawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LAMINATE, SEPARATOR FOR CAPACITOR, AND CAPACITOR
- Publication number 20100195270
- Publication date Aug 5, 2010
- Kuraray Co., Ltd
- Tomohiro HAYAKAWA
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
ALKALINE BATTERY SEPARATOR AND ALKALINE PRIMARY BATTERY
- Publication number 20090017385
- Publication date Jan 15, 2009
- KURARAY CO., LTD.
- Toshimitsu Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Separator for Battery and Alkaline Battery
- Publication number 20080274409
- Publication date Nov 6, 2008
- Kuraray Co., Ltd
- Toshimitsu Harada
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Separator for alkaline batteriy and using same
- Publication number 20060121340
- Publication date Jun 8, 2006
- KURARAY CO., LTD.
- Hiroyuki Kawai
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Hiroyuki Kawai

Person

Patents Grantslast 30 patents

Alkaline battery separator and method for producing same

Reinforcing fiber, method for manufacturing same, and molded body u...

Separator, and separator for alkaline manganese dry battery compris...

Readily fibrillative polyvinyl alcohol fiber and method for manufac...

Dispersant for carbon fibers, carbon fiber dispersion composition,...

Separator for alkaline batteries, and alkaline battery using same

Alkaline battery separator

Extra-fine fiber sheet

Separator for electric double layer capacitors, and electric double...

Separator for nonaqueous cell and nonaqueous cell

Separator for nonaqueous cell and nonaqueous cell

Filtration material for filters, and filter cartridge

Separator for non-aqueous batteries and non-aqueous battery equippe...

Alkaline battery separator and alkaline battery using separator

Separator for alkaline battery, method for producing the same, and...

Separator for non-aqueous batteries, non-aqueous battery using same...

Laminate, separator for capacitor, and capacitor

Alkaline battery separator comprising alkali-resistance synthetic f...

Separator for battery and alkaline battery

Separator for alkaline batteries

Patents Applicationslast 30 patents

METAL-COVERED LIQUID CRYSTAL POLYESTER MULTIFILAMENT

WATERPROOFING SHEET FOR CIVIL ENGINEERING USE

SEPARATOR FOR ELECTROCHEMICAL ELEMENTS

SURFACE-MODIFIED FIBERS, REINFORCING FIBERS, AND MOLDED ARTICLE USI...

ALKALINE BATTERY SEPARATOR AND METHOD FOR PRODUCING SAME

REINFORCING FIBER, METHOD FOR MANUFACTURING SAME, AND MOLDED BODY U...

REINFORCING FIBERS AND PRODUCTION METHOD THEREFOR, AND MOLDED ARTIC...

SEPARATOR, AND SEPARATOR FOR ALKALINE MANGANESE DRY BATTERY COMPRIS...

THERMOPLASTIC RESIN FIBER WITH DISPERSANT ATTACHED

DISPERSANT FOR CARBON FIBERS, CARBON FIBER DISPERSION COMPOSITION,...

ALKALINE BATTERY SEPARATOR

READILY FIBRILLATIVE POLYVINYL ALCOHOL FIBER AND METHOD FOR MANUFAC...

WATER FILTER APPARATUS AND METHOD OF FILTERING FINE PARTICLES FROM...

SEPARATOR FOR ALKALINE BATTERIES, AND ALKALINE BATTERY USING SAME

SEPARATOR FOR ELECTRIC DOUBLE LAYER CAPACITORS, AND ELECTRIC DOUBLE...

SEPARATOR FOR NONAQUEOUS CELL AND NONAQUEOUS CELL

SEPARATOR FOR NON-AQUEOUS BATTERIES AND NON-AQUEOUS BATTERY EQUIPPE...

ALKALINE BATTERY SEPARATOR AND ALKALINE BATTERY USING SEPARATOR

SEPARATOR FOR NON-AQUEOUS BATTERIES, NON-AQUEOUS BATTERY USING SAME...

FILTRATION MATERIAL FOR FILTERS, AND FILTER CARTRIDGE

SEPARATOR FOR ALKALINE BATTERY, METHOD FOR PRODUCING THE SAME, AND...

LAMINATE, SEPARATOR FOR CAPACITOR, AND CAPACITOR

ALKALINE BATTERY SEPARATOR AND ALKALINE PRIMARY BATTERY

Separator for Battery and Alkaline Battery

Separator for alkaline batteriy and using same