NAGAOKA INTERNATIONAL CORPORATION

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Upper-layer cleaning device for water treatment device, and method...
- Patent number 9,573,082
- Issue date Feb 21, 2017
- Nagaoka International Corporation
- Hitoshi Mimura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water treatment apparatus and a method for cleaning a filter layer...
- Patent number 9,017,559
- Issue date Apr 28, 2015
- Nagaoka International Corporation
- Hitoshi Mimura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water treatment apparatus and a method for cleaning a filter layer...
- Patent number 8,110,116
- Issue date Feb 7, 2012
- Nagaoka International Corporation
- Hitoshi Mimura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Device and method for holding catalyst in a radial flow reactor
- Patent number 6,221,320
- Issue date Apr 24, 2001
- Nagaoka International Corporation
- Tadayoshi Nagaoka
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sludge dehydrating press having cylindrical inner screen case
- Patent number 5,858,235
- Issue date Jan 12, 1999
- Nagaoka International Corp.
- Tadayoshi Nagaoka
- F26 - DRYING
Information Patent Grant
Well screen having a uniform outer diameter
- Patent number 5,787,980
- Issue date Aug 4, 1998
- Nagaoka International Corporation
- Derry D. Sparlin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for weaving a multi-ply fabric packing with hexagonal cells
- Patent number 5,673,726
- Issue date Oct 7, 1997
- Nagaoka International Corporation
- Tadayoshi Nagaoka
- D03 - WEAVING
Information Patent Grant
Sludge dehydrating press and method for treating sludge
- Patent number 5,643,458
- Issue date Jul 1, 1997
- Nagaoka International Corporation
- Tadayoshi Nagaoka
- F26 - DRYING
Information Patent Grant
Method of manufacturing a drum
- Patent number 5,622,625
- Issue date Apr 22, 1997
- Nagaoka International Corp.
- Tadayoshi Nagaoka
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Rotary drum type device for separating solid particles from a liquid
- Patent number 5,618,424
- Issue date Apr 8, 1997
- Nagaoka International Corp.
- Tadayoshi Nagaoka
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Multi-layer composite screen
- Patent number 5,476,588
- Issue date Dec 19, 1995
- Nagaoka International Corporation
- Tadayoshi Nagaoka
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Well screen having slurry flow paths
- Patent number 5,476,143
- Issue date Dec 19, 1995
- Nagaoka International Corporation
- Derry D. Sparlin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Screen with a surface having projections or depressions
- Patent number 5,415,294
- Issue date May 16, 1995
- Nagaoka International Corp.
- Tadayoshi Nagaoka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Sludge dehydrating press and method for treating sludge
- Patent number 5,377,423
- Issue date Jan 3, 1995
- Nagaoka International Corporation
- Tadayoshi Nagaoka
- B30 - PRESSES
Information Patent Grant
Well screen having a protective frame for a horizontal or high-angl...
- Patent number 5,311,942
- Issue date May 17, 1994
- Nagaoka International Corporation
- Tadayoshi Nagaoka
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of manufacturing a selective isolation screen
- Patent number 5,307,984
- Issue date May 3, 1994
- Nagaoka International Corp.
- Tadayoshi Nagaoka
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of manufacturing a selective isolation screen
- Patent number 5,246,158
- Issue date Sep 21, 1993
- Nagaoka International Corp.
- Tadayoshi Nagaoka
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
RAW WATER TREATMENT METHOD
- Publication number 20170107122
- Publication date Apr 20, 2017
- NAGAOKA INTERNATIONAL CORP.
- Hitoshi MIMURA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
CLEANING SYSTEM FOR SAND FILTRATION LAYER
- Publication number 20150314221
- Publication date Nov 5, 2015
- HITACHI ZOSEN CORPORATION
- Masaki INUI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
UPPER-LAYER CLEANING DEVICE FOR WATER TREATMENT DEVICE, AND METHOD...
- Publication number 20140190907
- Publication date Jul 10, 2014
- NAGAOKA INTERNATIONAL CORPORATION
- Hitoshi Mimura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MIXED STREAM NOZZLE
- Publication number 20130068855
- Publication date Mar 21, 2013
- NAGAOKA INTERNATIONAL CORPORATION
- Hitoshi Mimura
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Water Treatment Apparatus and a Method for Cleaning a Filter Layer...
- Publication number 20120103917
- Publication date May 3, 2012
- Nagaoka International Corporation
- Hitoshi Mimura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Water treatment apparatus and a method for cleaning a filter layer...
- Publication number 20100176071
- Publication date Jul 15, 2010
- NAGAOKA INTERNATIONAL CORPORATION
- Hitoshi Mimura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks

Information Trademark
85131891 - CHEMILES
- Serial number 85131891
- Registration number 4072800
- Filing date Sep 17, 2010
- Nagaoka International Corporation
- 7 - Machines and machine tools

NAGAOKA INTERNATIONAL CORPORATION

Organization

Patents Grantslast 30 patents

Upper-layer cleaning device for water treatment device, and method...

Water treatment apparatus and a method for cleaning a filter layer...

Water treatment apparatus and a method for cleaning a filter layer...

Device and method for holding catalyst in a radial flow reactor

Sludge dehydrating press having cylindrical inner screen case

Well screen having a uniform outer diameter

Method for weaving a multi-ply fabric packing with hexagonal cells

Sludge dehydrating press and method for treating sludge

Method of manufacturing a drum

Rotary drum type device for separating solid particles from a liquid

Multi-layer composite screen

Well screen having slurry flow paths

Screen with a surface having projections or depressions

Sludge dehydrating press and method for treating sludge

Well screen having a protective frame for a horizontal or high-angl...

Method of manufacturing a selective isolation screen

Method of manufacturing a selective isolation screen

Patents Applicationslast 30 patents

RAW WATER TREATMENT METHOD

CLEANING SYSTEM FOR SAND FILTRATION LAYER

UPPER-LAYER CLEANING DEVICE FOR WATER TREATMENT DEVICE, AND METHOD...

MIXED STREAM NOZZLE

Water Treatment Apparatus and a Method for Cleaning a Filter Layer...

Water treatment apparatus and a method for cleaning a filter layer...

Trademarklast 30 trademarks

85131891 - CHEMILES