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Keizo Nakajima
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Shiga, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polymer heating element
Patent number
8,519,305
Issue date
Aug 27, 2013
Panasonic Corporation
Keizo Nakajima
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Heating element and production method thereof
Patent number
7,675,004
Issue date
Mar 9, 2010
Panasonic Corporation
Keizo Nakajima
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for removing additives from thermoplastic resi...
Patent number
7,435,772
Issue date
Oct 14, 2008
Matsushita Electric Industrial Co., Ltd.
Keizo Nakajima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method and apparatus for removing additives from thermoplastic resi...
Patent number
7,235,219
Issue date
Jun 26, 2007
Matsushita Electric Industrial Co., Ltd.
Keizo Nakajima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for dehalogenation treatment of halogen containing non-combu...
Patent number
6,903,242
Issue date
Jun 7, 2005
Matsushita Electric Industrial Co., Ltd.
Takahiko Terada
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Method for separating metallic from waste printed circuit boards, a...
Patent number
6,523,764
Issue date
Feb 25, 2003
Matsushita Electric Industrial Co., Ltd.
Takayoshi Ueno
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for treating flame retardant resin composition
Patent number
6,429,284
Issue date
Aug 6, 2002
Matsushita Electric Industrial Co., Ltd.
Masaaki Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for treating thermoplastic resin composition containing flam...
Patent number
6,388,050
Issue date
May 14, 2002
Matsushita Electric Industrial Co., Ltd.
Keizo Nakajima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for separating metallic material from waste printed circuit...
Patent number
6,336,601
Issue date
Jan 8, 2002
Matsushita Electric Industrial Co., Ltd.
Takayoshi Ueno
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Working fluid for refrigerating cycle equipment and the refrigerati...
Patent number
6,268,317
Issue date
Jul 31, 2001
Matsushita Electric Industrial Co., Ltd.
Tetsuji Kawakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Ketone-containing working fluid for refrigerating cycle equipment a...
Patent number
6,197,211
Issue date
Mar 6, 2001
Matsushita Electric Industrial Co., Ltd.
Keizo Nakajima
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Refrigeration system and method of installing same
Patent number
5,842,349
Issue date
Dec 1, 1998
Matsushita Electric Industrial Co., Ltd.
Katsuya Wakita
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method for constructing a refrigerating cycle including a process o...
Patent number
5,813,240
Issue date
Sep 29, 1998
Matsushita Electric Industrial Co., Ltd.
Shigehiro Sato
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Refrigeration system and method of installing same
Patent number
5,718,119
Issue date
Feb 17, 1998
Matsushita Electric Industrial Co., Ltd.
Katsuya Wakita
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Macrocyclic poly-conjugated system and macrocyclic poly-conjugated...
Patent number
5,357,017
Issue date
Oct 18, 1994
Matsushita Electric Industrial Co., Ltd.
Keizo Nakajima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Liquid crystal orientation film and process for making the same
Patent number
5,173,342
Issue date
Dec 22, 1992
Matsushita Electric Industrial Co., Ltd.
Shigehiro Sato
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device comprising improved alignment layers...
Patent number
5,119,221
Issue date
Jun 2, 1992
Matsushita Electric Industrial Co., Ltd.
Keizo Nakajima
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
PTC RESISTOR
Publication number
20130277359
Publication date
Oct 24, 2013
Hirosi FUKUDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLYMER HEATING ELEMENT
Publication number
20100326976
Publication date
Dec 30, 2010
PANASONIC CORPORATION
Keizo Nakajima
B60 - VEHICLES IN GENERAL
Information
Patent Application
SHEET HEATING ELEMENT
Publication number
20100038356
Publication date
Feb 18, 2010
Panasonic Corporation
Hirosi Fukuda
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PTC RESISTOR
Publication number
20100038357
Publication date
Feb 18, 2010
Panasonic Corporation
Hirosi Fukuda
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SHEET HEATING ELEMENT AND SEAT MAKING USE OF THE SAME
Publication number
20090051196
Publication date
Feb 26, 2009
MATSUSHITA ELECTRIC INDUSTRIAL., LTD.
Takahito Ishii
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Heating element and production method thereof
Publication number
20070193996
Publication date
Aug 23, 2007
Keizo Nakajima
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD AND APPARATUS FOR REMOVING ADDITIVES FROM THERMOPLASTIC RESI...
Publication number
20070142523
Publication date
Jun 21, 2007
Matsushita Electric Industrial Co., Ltd.
Keizo NAKAJIMA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method and apparatus for treating thermoplastic resin composition c...
Publication number
20040152816
Publication date
Aug 5, 2004
Keizo Nakajima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for treating flame retardant resin composition
Publication number
20030018161
Publication date
Jan 23, 2003
Matsushita Electric Industrial Co., Ltd.
Masaaki Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
De-halogen processing method of fire-resistant resin composite cont...
Publication number
20020099253
Publication date
Jul 25, 2002
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Takahiko Terada
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
Method for treating flame retardant resin composition
Publication number
20010044520
Publication date
Nov 22, 2001
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Masaaki Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for separating metallic material from waste printed circuit...
Publication number
20010030251
Publication date
Oct 18, 2001
Takayoshi Ueno
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL