Membership
Tour
Register
Log in
Tomohiro Hayakawa
Follow
Person
Okayama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 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
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
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
Resinous-substance-impregnated planar paper and adhesive tape using...
Patent number
7,985,473
Issue date
Jul 26, 2011
Kuraray Co., Ltd.
Tomohiro Hayakawa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Polyvinyl alcohol fibers, and nonwoven fabric comprising them
Patent number
7,892,992
Issue date
Feb 22, 2011
Kuraray Co., Ltd.
Hideki Kamada
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Patents Applications
last 30 patents
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
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
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
SEPARATOR FOR CAPACITOR
Publication number
20190318884
Publication date
Oct 17, 2019
Kuraray Co., Ltd
Tomohiro HAYAKAWA
H01 - BASIC ELECTRIC ELEMENTS
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
EXTRA-FINE FIBER SHEET
Publication number
20140213135
Publication date
Jul 31, 2014
Kuraray Co., Ltd
Takayoshi HOSOYA
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
FILTERING MATERIAL FOR FILTER, AND WATER FILTERING APPARATUS PROVID...
Publication number
20140014573
Publication date
Jan 16, 2014
Kuraray Co., Ltd
Takayoshi Hosoya
B32 - LAYERED PRODUCTS
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
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
RESINOUS-SUBSTANCE-IMPREGNATED PLANAR PAPER AND ADHESIVE TAPE USING...
Publication number
20100080988
Publication date
Apr 1, 2010
Kuraray Co., Ltd
Tomohiro Hayakawa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Polyvinyl alcohol fibers, and nonwoven fabric comprising them
Publication number
20040180597
Publication date
Sep 16, 2004
Kuraray Co., Ltd.
Hideki Kamada
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING