Keiichi Nakamura

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing chloroprene-based-polymer latex
- Patent number 11,891,470
- Issue date Feb 6, 2024
- Resonac Corporation
- Yuki Miura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Threaded joint for steel pipes
- Patent number 9,719,617
- Issue date Aug 1, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Takashi Okada
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded connection comprising at least one threaded element with a...
- Patent number 9,605,781
- Issue date Mar 28, 2017
- Vallourec Oil and Gas France
- Sylvain Beigneux
- E21 - EARTH DRILLING MINING
Information Patent Grant
Threaded joint for steel pipes
- Patent number 9,568,125
- Issue date Feb 14, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Suguru Yamaguchi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ascorbic acid derivative composition and production method of the s...
- Patent number 9,351,915
- Issue date May 31, 2016
- Showa Denko K.K.
- Keiichi Nakamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for producing seamless steel pipe for oil wells excellent in...
- Patent number 9,017,494
- Issue date Apr 28, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Yuji Arai
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing seamless steel pipe
- Patent number 8,361,256
- Issue date Jan 29, 2013
- Sumitomo Metal Industries, Ltd.
- Yuji Arai
- C21 - METALLURGY OF IRON
Information Patent Grant
Martensitic stainless steel
- Patent number 8,157,930
- Issue date Apr 17, 2012
- Sumitomo Metal Industries, Ltd.
- Hisashi Amaya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing martensitic stainless steel pipe
- Patent number 8,021,502
- Issue date Sep 20, 2011
- Sumitomo Metal Industries, Ltd.
- Mutsumi Tanida
- C21 - METALLURGY OF IRON
Information Patent Grant
Threaded joint for steel pipes
- Patent number 7,900,975
- Issue date Mar 8, 2011
- Sumitomo Metal Industries, Ltd.
- Keiichi Nakamura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Oil country tubular good for expansion in well and manufacturing me...
- Patent number 7,799,149
- Issue date Sep 21, 2010
- Sumitomo Metal Industries, Ltd.
- Taro Ohe
- C21 - METALLURGY OF IRON
Information Patent Grant
Martensitic stainless steel pipe
- Patent number 7,476,282
- Issue date Jan 13, 2009
- Sumitomo Metal Industries, Ltd.
- Mutsumi Tanida
- C21 - METALLURGY OF IRON
Information Patent Grant
Processes for preparing β-diketone compound, metal complex thereof...
- Patent number 7,393,982
- Issue date Jul 1, 2008
- Show A Denko K.K.
- Makoto Saito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
High-rigidity sheet-metal structure
- Patent number 5,564,247
- Issue date Oct 15, 1996
- Hitachi, Ltd.
- Keiichi Nakamura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Compressor scroll made of silicon containing aluminum alloy
- Patent number 5,478,220
- Issue date Dec 26, 1995
- Hitachi, Ltd.
- Yasuo Kamitsuma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Highly ductile sintered aluminum alloy, method for production there...
- Patent number 5,387,272
- Issue date Feb 7, 1995
- Hitachi, Ltd.
- Yasuo Kamitsuma
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of manufacturing sintered aluminum alloy parts
- Patent number 5,346,667
- Issue date Sep 13, 1994
- Hitachi, Ltd.
- Yasuo Kamitsuma
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
I/O pin and method for making same
- Patent number 4,949,455
- Issue date Aug 21, 1990
- AMP Incorporated
- Keiichi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing a bellows with oval cross section and apparatu...
- Patent number 4,827,747
- Issue date May 9, 1989
- Hitachi, Ltd.
- Kenichi Okada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of producing a fluid pressure reducing device
- Patent number 4,506,423
- Issue date Mar 26, 1985
- Hitachi, Ltd.
- Keiichi Nakamura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING SUBSTRATE AND METHOD FOR MANUFACTURING SEM...
- Publication number 20240234218
- Publication date Jul 11, 2024
- Mitsubishi Electric Corporation
- Mamoru MATSUO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OIL WELL STEEL PIPE WITH THREADED CONNECTION, METHOD FOR PRODUCING...
- Publication number 20240200410
- Publication date Jun 20, 2024
- NIPPON STEEL CORPORATION
- Yuya NAKAI
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR MANUFACTURING SUBSTRATE AND METHOD FOR MANUFACTURING SEM...
- Publication number 20240136235
- Publication date Apr 25, 2024
- Mitsubishi Electric Corporation
- Mamoru MATSUO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OIL-WELL METAL PIPE
- Publication number 20230349503
- Publication date Nov 2, 2023
- NIPPON STEEL CORPORATION
- Yuki BENIYA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
STEEL MATERIAL
- Publication number 20230203631
- Publication date Jun 29, 2023
- NIPPON STEEL CORPORATION
- Keiichi KONDO
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR PRODUCING CHLOROPRENE-BASED-POLYMER LATEX
- Publication number 20220242979
- Publication date Aug 4, 2022
- SHOWA DENKO K.K.
- Yuki MIURA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING PURIFIED CHLOROPRENE-BASED-POLYMER LATEX
- Publication number 20220235151
- Publication date Jul 28, 2022
- SHOWA DENKO K.K.
- Yuki MIURA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING VANADATE
- Publication number 20200290889
- Publication date Sep 17, 2020
- SHOWA DENKO K.K.
- Junichi AKIYAMA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ASCORBIC ACID DERIVATIVE COMPOSITION AND PRODUCTION METHOD OF THE S...
- Publication number 20150031650
- Publication date Jan 29, 2015
- Showa Denko K.K.
- Keiichi Nakamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR PRODUCING SEAMLESS STEEL PIPE FOR OIL WELLS EXCELLENT IN...
- Publication number 20110297279
- Publication date Dec 8, 2011
- Sumitomo Metal Industries, Ltd.
- Yuji Arai
- C21 - METALLURGY OF IRON
Information Patent Application
THREADED JOINT FOR STEEL PIPES
- Publication number 20110241340
- Publication date Oct 6, 2011
- Sumitomo Metal Industries, Ltd.
- Takashi OKADA
- E21 - EARTH DRILLING MINING
Information Patent Application
THREADED CONNECTION COMPRISING AT LEAST ONE THREADED ELEMENT WITH A...
- Publication number 20100301603
- Publication date Dec 2, 2010
- VALLOUREC MANNESMANN OIL & GAS FRANCE
- Sylvain Beigneux
- E21 - EARTH DRILLING MINING
Information Patent Application
THREADED JOINT FOR STEEL PIPES
- Publication number 20100078936
- Publication date Apr 1, 2010
- Keiichi Nakamura
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for producing martensitic stainless steel pipe
- Publication number 20090101247
- Publication date Apr 23, 2009
- Mutsumi Tanida
- C21 - METALLURGY OF IRON
Information Patent Application
Oil country tubular good for expansion in well and manufacturing me...
- Publication number 20090032150
- Publication date Feb 5, 2009
- Taro Ohe
- C21 - METALLURGY OF IRON
Information Patent Application
Method for producing seamless steel pipe
- Publication number 20080121318
- Publication date May 29, 2008
- Yuji Arai
- C21 - METALLURGY OF IRON
Information Patent Application
Calcium oxide dispersion liquid and process for production thereof
- Publication number 20070238044
- Publication date Oct 11, 2007
- Keiichi Nakamura
- B82 - NANO-TECHNOLOGY
Information Patent Application
Process for producing fine metal oxide particles
- Publication number 20070020164
- Publication date Jan 25, 2007
- Takashi Tani
- B82 - NANO-TECHNOLOGY
Information Patent Application
Martensite stainless steel
- Publication number 20070006945
- Publication date Jan 11, 2007
- Nobuyuki Mori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Seamless steel pipe for oil wells excellent in sulfide stress crack...
- Publication number 20060266448
- Publication date Nov 30, 2006
- Yuji Arai
- C21 - METALLURGY OF IRON
Information Patent Application
Seamless steel tubes and pipes for use in oil well
- Publication number 20060231168
- Publication date Oct 19, 2006
- Keiichi Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Martensitic stainless steel pipe and method for producing the same
- Publication number 20060113011
- Publication date Jun 1, 2006
- Mutsumi Tanida
- C21 - METALLURGY OF IRON
Information Patent Application
Martensitic stainless steel
- Publication number 20050034790
- Publication date Feb 17, 2005
- Hisashi Amaya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Keiichi Nakamura

Person

Patents Grantslast 30 patents

Method for producing chloroprene-based-polymer latex

Threaded joint for steel pipes

Threaded connection comprising at least one threaded element with a...

Threaded joint for steel pipes

Ascorbic acid derivative composition and production method of the s...

Method for producing seamless steel pipe for oil wells excellent in...

Method for producing seamless steel pipe

Martensitic stainless steel

Method for producing martensitic stainless steel pipe

Threaded joint for steel pipes

Oil country tubular good for expansion in well and manufacturing me...

Martensitic stainless steel pipe

Processes for preparing β-diketone compound, metal complex thereof...

High-rigidity sheet-metal structure

Compressor scroll made of silicon containing aluminum alloy

Highly ductile sintered aluminum alloy, method for production there...

Method of manufacturing sintered aluminum alloy parts

I/O pin and method for making same

Method for producing a bellows with oval cross section and apparatu...

Method of producing a fluid pressure reducing device

Patents Applicationslast 30 patents

METHOD FOR MANUFACTURING SUBSTRATE AND METHOD FOR MANUFACTURING SEM...

OIL WELL STEEL PIPE WITH THREADED CONNECTION, METHOD FOR PRODUCING...

METHOD FOR MANUFACTURING SUBSTRATE AND METHOD FOR MANUFACTURING SEM...

OIL-WELL METAL PIPE

STEEL MATERIAL

METHOD FOR PRODUCING CHLOROPRENE-BASED-POLYMER LATEX

METHOD FOR PRODUCING PURIFIED CHLOROPRENE-BASED-POLYMER LATEX

METHOD FOR PRODUCING VANADATE

ASCORBIC ACID DERIVATIVE COMPOSITION AND PRODUCTION METHOD OF THE S...

METHOD FOR PRODUCING SEAMLESS STEEL PIPE FOR OIL WELLS EXCELLENT IN...

THREADED JOINT FOR STEEL PIPES

THREADED CONNECTION COMPRISING AT LEAST ONE THREADED ELEMENT WITH A...

THREADED JOINT FOR STEEL PIPES

Method for producing martensitic stainless steel pipe

Oil country tubular good for expansion in well and manufacturing me...

Method for producing seamless steel pipe

Calcium oxide dispersion liquid and process for production thereof

Process for producing fine metal oxide particles

Martensite stainless steel

Seamless steel pipe for oil wells excellent in sulfide stress crack...

Seamless steel tubes and pipes for use in oil well

Martensitic stainless steel pipe and method for producing the same

Martensitic stainless steel