NIPPON KOSHUHA STEEL CO., LTD.

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TOKYO, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hot work tool steel
- Patent number 10,829,841
- Issue date Nov 10, 2020
- Nippon Koshuha Steel Co., Ltd.
- Tsuyoshi Tonomura
- C21 - METALLURGY OF IRON
Information Patent Grant
Magnetostrictive member and manufacturing method thereof
- Patent number 9,991,438
- Issue date Jun 5, 2018
- NIPPON KOSHUHA STEEL Co., Ltd
- Katsuya Imai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Press-forming mold and method for manufacturing protective film for...
- Patent number 9,902,093
- Issue date Feb 27, 2018
- Nippon Koshuha Steel Co., Ltd.
- Takaharu Kashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Shearing die and method for manufacturing the same
- Patent number 9,017,830
- Issue date Apr 28, 2015
- Kobe Steel, Ltd.
- Kenji Yamamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cold tool steel featuring high size stability, wear-resistance and...
- Patent number 6,060,018
- Issue date May 9, 2000
- Nippon Koshuha Steel Co., Ltd.
- Junji Yoshida
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Manhole opening structure
- Patent number 5,732,512
- Issue date Mar 31, 1998
- Nippon Koshuha Steel Co., Ltd.
- Takashi Ueno
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Flexible type casting gate breaking machine
- Patent number 5,630,538
- Issue date May 20, 1997
- Nippon Koshuha Steel Co., Ltd.
- Akiyoshi Hatakeyama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Flaw treatment method and apparatus for a wire-shaped metal
- Patent number 5,628,218
- Issue date May 13, 1997
- Nippon Koshuha Steel Co., Ltd.
- Akinobu Yamada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Automatic flaw-cutting method and apparatus for wire-shaped metal
- Patent number 5,582,051
- Issue date Dec 10, 1996
- Nippon Koshuha Steel Co., Ltd.
- Yoshiteru Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tool steel production method
- Patent number 5,458,703
- Issue date Oct 17, 1995
- Nippon Koshuha Steel Co., Ltd.
- Norihiko Nakai
- C21 - METALLURGY OF IRON
Information Patent Grant
High carbon chromium bearing steel
- Patent number 4,911,885
- Issue date Mar 27, 1990
- Koyo Seiko Co., Ltd.
- Yoshiaki Hyodo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Warm forging method for cup-shaped pieces
- Patent number 4,312,210
- Issue date Jan 26, 1982
- Kobe Steel Limited
- Masatoshi Nishizawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process and apparatus for cutting circumferential surface to remove...
- Patent number 4,291,600
- Issue date Sep 29, 1981
- Kobe Steel, Limited
- Yosiyuki Kawaguchi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
MAGNETOSTRICTIVE MEMBER AND MANUFACTURING METHOD THEREOF
- Publication number 20180233654
- Publication date Aug 16, 2018
- NIPPON KOSHUHA STEEL CO., LTD.
- Katsuya IMAI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HOT WORK TOOL STEEL
- Publication number 20170327933
- Publication date Nov 16, 2017
- NIPPON KOSHUHA STEEL CO., LTD.
- Tsuyoshi TONOMURA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MAGNETOSTRICTIVE MEMBER AND MANUFACTURING METHOD THEREOF
- Publication number 20170317266
- Publication date Nov 2, 2017
- NIPPON KOSHUHA STEEL Co., Ltd
- Katsuya IMAI
- C30 - CRYSTAL GROWTH
Information Patent Application
SHEARING DIE AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20110314991
- Publication date Dec 29, 2011
- Nippon Koshuha Steel Co., Ltd.
- Kenji YAMAMOTO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
COLD-WORK DIE STEEL AND DIES FOR COLD PRESSING
- Publication number 20100132429
- Publication date Jun 3, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd)
- Shogo Murakami
- C21 - METALLURGY OF IRON
Information Patent Application
COLD-WORK DIE STEEL AND DIE
- Publication number 20100135844
- Publication date Jun 3, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel,Ltd.)
- Shogo Murakami
- C21 - METALLURGY OF IRON
Information Patent Application
COLD WORK DIE STEEL, DIE, AND METHOD FOR PRODUCTION OF COLD WORK DI...
- Publication number 20100074792
- Publication date Mar 25, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Shogo Murakami
- C21 - METALLURGY OF IRON

Trademarklast 30 trademarks

Information Trademark
88856276 - KOSHUHA
- Serial number 88856276
- Registration number 6891652
- Filing date Apr 1, 2020
- Nippon Koshuha Steel Co., Ltd.
- 6 - Common metals and their alloys
Information Trademark
88391440 - NK
- Serial number 88391440
- Registration number 6248364
- Filing date Apr 18, 2019
- Nippon Koshuha Steel Co., Ltd.
- 6 - Common metals and their alloys
Information Trademark
75036069 - GATE BUSTER
- Serial number 75036069
- Registration number 2154083
- Filing date Dec 22, 1995
- Nippon Koshuha Steel Co., Ltd.
- 7 - Machines and machine tools
Information Trademark
75003346 - KDA1
- Serial number 75003346
- Registration number 2080031
- Filing date Oct 10, 1995
- Nippon Koshuha Steel Co., Ltd.
- 6 - Common metals and their alloys
Information Trademark
74735915 - KAPSTAR
- Serial number 74735915
- Registration number 2078015
- Filing date Sep 29, 1995
- Nippon Koshuha Steel Co., Ltd.
- 6 - Common metals and their alloys
Information Trademark
74735918 - EPOC30
- Serial number 74735918
- Registration number 2076303
- Filing date Sep 29, 1995
- Nippon Koshuha Steel Co., Ltd.
- 6 - Common metals and their alloys

NIPPON KOSHUHA STEEL CO., LTD.

Organization

Patents Grantslast 30 patents

Hot work tool steel

Magnetostrictive member and manufacturing method thereof

Press-forming mold and method for manufacturing protective film for...

Shearing die and method for manufacturing the same

Cold tool steel featuring high size stability, wear-resistance and...

Manhole opening structure

Flexible type casting gate breaking machine

Flaw treatment method and apparatus for a wire-shaped metal

Automatic flaw-cutting method and apparatus for wire-shaped metal

Tool steel production method

High carbon chromium bearing steel

Warm forging method for cup-shaped pieces

Process and apparatus for cutting circumferential surface to remove...

Patents Applicationslast 30 patents

MAGNETOSTRICTIVE MEMBER AND MANUFACTURING METHOD THEREOF

HOT WORK TOOL STEEL

MAGNETOSTRICTIVE MEMBER AND MANUFACTURING METHOD THEREOF

SHEARING DIE AND METHOD FOR MANUFACTURING THE SAME

COLD-WORK DIE STEEL AND DIES FOR COLD PRESSING

COLD-WORK DIE STEEL AND DIE

COLD WORK DIE STEEL, DIE, AND METHOD FOR PRODUCTION OF COLD WORK DI...

Trademarklast 30 trademarks

88856276 - KOSHUHA

88391440 - NK

75036069 - GATE BUSTER

75003346 - KDA1

74735915 - KAPSTAR

74735918 - EPOC30