Hitoshi Nakatsuka

Person

Kurashiki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Artificial leather base material, method for production thereof, an...
- Patent number 12,104,317
- Issue date Oct 1, 2024
- Kuraray Co., Ltd.
- Masashi Meguro
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Modified ethylene-vinyl alcohol copolymer fibers
- Patent number 11,473,218
- Issue date Oct 18, 2022
- Kuraray Co., Ltd.
- Shoji Onogi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Napped artificial leather, polyester fiber, and non-woven fabric
- Patent number 11,339,530
- Issue date May 24, 2022
- Kuraray Co., Ltd.
- Masashi Meguro
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Napped artificial leather dyed with cationic dye, and method for ma...
- Patent number 10,982,382
- Issue date Apr 20, 2021
- Kuraray Co., Ltd.
- Yasunori Murate
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Cationic-dyeable polyester fiber and conjugated fiber
- Patent number 9,752,258
- Issue date Sep 5, 2017
- Kuraray Co., Ltd.
- Hitoshi Nakatsuka
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Hook-and-loop fastener made of fabric
- Patent number 8,039,083
- Issue date Oct 18, 2011
- Kuraray Fastening Co., Ltd.
- Yukitoshi Higashinaka
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Conductive sheath-core conjugate fiber and process for producing th...
- Patent number 7,824,769
- Issue date Nov 2, 2010
- Kuraray Co., Ltd.
- Hitoshi Nakatsuka
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electrically conductive composite fiber and process for producing t...
- Patent number 7,767,298
- Issue date Aug 3, 2010
- Kuraray Co., Ltd.
- Hitoshi Nakatsuka
- A41 - WEARING APPAREL
Information Patent Grant
Composite fiber
- Patent number 6,811,874
- Issue date Nov 2, 2004
- Kuraray Co., Ltd.
- Kazuhiko Tanaka
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Process of making hollow fibers and treating fibers
- Patent number 6,635,204
- Issue date Oct 21, 2003
- Kuraray Co., Ltd.
- Kazuhiko Tanaka
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Thermoplastic polyvinyl alcohol fibers and method for producing them
- Patent number 6,552,123
- Issue date Apr 22, 2003
- Kuraray Co., Ltd.
- Takashi Katayama
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Light-weight fiber excellent in dyeability
- Patent number 6,537,660
- Issue date Mar 25, 2003
- Kuraray Co., Ltd.
- Takashi Katayama
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Hollow fibers and manufacturing method of hollow fibers
- Patent number 6,455,156
- Issue date Sep 24, 2002
- Kuraray Co., Ltd.
- Kazuhiko Tanaka
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Patents Applicationslast 30 patents

Information Patent Application
SEA-ISLAND TYPE COMPOSITE MULTIFILAMENT, ULTRAFINE MULTIFILAMENT, A...
- Publication number 20230366132
- Publication date Nov 16, 2023
- Kuraray Trading Co., Ltd.
- Takayuki IKEDA
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
COMPOSITE FIBER AND FIBER STRUCTURE CONTAINING SAME
- Publication number 20230272145
- Publication date Aug 31, 2023
- KURARAY TRADING CO., LTD.
- Kohei YAMASAKI
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
POLYAMIDE FIBERS, METHOD FOR PRODUCING SAME AND FIBER STRUCTURE
- Publication number 20220267598
- Publication date Aug 25, 2022
- Kuraray Co., Ltd
- Daisuke OHGA
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
ELECTROCONDUCTIVE COMPOSITE FIBERS AND FIBER STRUCTURE USING SAME
- Publication number 20220112630
- Publication date Apr 14, 2022
- Kuraray Co., Ltd
- Shoji ONOGI
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
COMPOSITE FIBER
- Publication number 20220025553
- Publication date Jan 27, 2022
- KURARAY CO., LTD.
- Shoji ONOGI
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
ARTIFICIAL LEATHER BASE MATERIAL, METHOD FOR PRODUCTION THEREOF, AN...
- Publication number 20210310186
- Publication date Oct 7, 2021
- KURARAY CO., LTD.
- Masashi MEGURO
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
FABRIC FOR FUSION BONDING AND MULTILAYER BODY COMPRISING SAID FABRI...
- Publication number 20210094257
- Publication date Apr 1, 2021
- KURARAY CO., LTD.
- Shoji Onogi
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Application
MODIFIED ETHYLENE-VINYL ALCOHOL COPOLYMER FIBERS
- Publication number 20200362475
- Publication date Nov 19, 2020
- KURARAY CO., LTD.
- Shoji ONOGI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
NAPPED ARTIFICIAL LEATHER, POLYESTER FIBER, AND NON-WOVEN FABRIC
- Publication number 20200056329
- Publication date Feb 20, 2020
- Kuraray Co., Ltd
- Masashi MEGURO
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
NAPPED ARTIFICIAL LEATHER DYED WITH CATIONIC DYE, AND METHOD FOR MA...
- Publication number 20180066397
- Publication date Mar 8, 2018
- KURARAY CO., LTD.
- Yasunori MURATE
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
POLYAMIDE FIBERS, FIBER STRUCTURE USING SAME, AND CLOTHING
- Publication number 20170191190
- Publication date Jul 6, 2017
- Kuraray Co., Ltd
- Hitoshi NAKATSUKA
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
COMPOSITE FIBER, METHOD FOR PRODUCING POLYURETHANE ELASTOMER FABRIC...
- Publication number 20140342629
- Publication date Nov 20, 2014
- Kuraray Co., Ltd
- Hitoshi NAKATSUKA
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
POLYESTER COMPOSITE FIBER WITH EXCELLENT HEAT-SHIELDING PROPERTY AN...
- Publication number 20140335354
- Publication date Nov 13, 2014
- Kuraray Co., Ltd
- DAISUKE OHGA
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
CATIONIC-DYEABLE POLYESTER FIBER AND CONJUGATED FIBER
- Publication number 20130323505
- Publication date Dec 5, 2013
- KURARAY CO., LTD.
- Hitoshi Nakatsuka
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
CONDUCTIVE SHEATH-CORE CONJUGATE FIBER AND PROCESS FOR PRODUCING TH...
- Publication number 20090318049
- Publication date Dec 24, 2009
- KURARAY CO., LTD.
- Hitoshi Nakatsuka
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
ELECTRICALLY CONDUCTIVE COMPOSITE FIBER AND PROCESS FOR PRODUCING T...
- Publication number 20090117800
- Publication date May 7, 2009
- Kuraray Co., Ltd
- Hitoshi Nakatsuka
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
CONDUCTIVE COMPOSITE FIBER AND METHOD FOR PRODUCING SAME
- Publication number 20090047516
- Publication date Feb 19, 2009
- Kuraray Co., Ltd
- Tadayoshi Koizumi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Hook-And-Loop Fastener Made Of Fabric
- Publication number 20080289157
- Publication date Nov 27, 2008
- Kuraray Fastening Co., Ltd.
- Yukitoshi Higashinaka
- D03 - WEAVING
Information Patent Application
Artificial leather sheet substrate and production method thereof
- Publication number 20050118394
- Publication date Jun 2, 2005
- Kuraray Co., Ltd
- Kazuhiko Tanaka
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
Composite fiber
- Publication number 20040038028
- Publication date Feb 26, 2004
- Kazuhiko Tanaka
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Hollow fibers and manufacturing method of hollow fibers
- Publication number 20020150756
- Publication date Oct 17, 2002
- Kuraray Co. Ltd.
- Kazuhiko Tanaka
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Light-weight fiber excellent in dyeability
- Publication number 20020009938
- Publication date Jan 24, 2002
- Kuraray Co., Ltd.
- Takashi Katayama
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
Hollow fibers and manufacturing method of hollow fibers
- Publication number 20010053646
- Publication date Dec 20, 2001
- KURARAY CO., LTD.
- Kazuhiko Tanaka
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Hitoshi Nakatsuka

Person

Patents Grantslast 30 patents

Artificial leather base material, method for production thereof, an...

Modified ethylene-vinyl alcohol copolymer fibers

Napped artificial leather, polyester fiber, and non-woven fabric

Napped artificial leather dyed with cationic dye, and method for ma...

Cationic-dyeable polyester fiber and conjugated fiber

Hook-and-loop fastener made of fabric

Conductive sheath-core conjugate fiber and process for producing th...

Electrically conductive composite fiber and process for producing t...

Composite fiber

Process of making hollow fibers and treating fibers

Thermoplastic polyvinyl alcohol fibers and method for producing them

Light-weight fiber excellent in dyeability

Hollow fibers and manufacturing method of hollow fibers

Patents Applicationslast 30 patents

SEA-ISLAND TYPE COMPOSITE MULTIFILAMENT, ULTRAFINE MULTIFILAMENT, A...

COMPOSITE FIBER AND FIBER STRUCTURE CONTAINING SAME

POLYAMIDE FIBERS, METHOD FOR PRODUCING SAME AND FIBER STRUCTURE

ELECTROCONDUCTIVE COMPOSITE FIBERS AND FIBER STRUCTURE USING SAME

COMPOSITE FIBER

ARTIFICIAL LEATHER BASE MATERIAL, METHOD FOR PRODUCTION THEREOF, AN...

FABRIC FOR FUSION BONDING AND MULTILAYER BODY COMPRISING SAID FABRI...

MODIFIED ETHYLENE-VINYL ALCOHOL COPOLYMER FIBERS

NAPPED ARTIFICIAL LEATHER, POLYESTER FIBER, AND NON-WOVEN FABRIC

NAPPED ARTIFICIAL LEATHER DYED WITH CATIONIC DYE, AND METHOD FOR MA...

POLYAMIDE FIBERS, FIBER STRUCTURE USING SAME, AND CLOTHING

COMPOSITE FIBER, METHOD FOR PRODUCING POLYURETHANE ELASTOMER FABRIC...

POLYESTER COMPOSITE FIBER WITH EXCELLENT HEAT-SHIELDING PROPERTY AN...

CATIONIC-DYEABLE POLYESTER FIBER AND CONJUGATED FIBER

CONDUCTIVE SHEATH-CORE CONJUGATE FIBER AND PROCESS FOR PRODUCING TH...

ELECTRICALLY CONDUCTIVE COMPOSITE FIBER AND PROCESS FOR PRODUCING T...

CONDUCTIVE COMPOSITE FIBER AND METHOD FOR PRODUCING SAME

Hook-And-Loop Fastener Made Of Fabric

Artificial leather sheet substrate and production method thereof

Composite fiber

Hollow fibers and manufacturing method of hollow fibers

Light-weight fiber excellent in dyeability

Hollow fibers and manufacturing method of hollow fibers