Kazumasa Watanabe

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Papermaking needle felt
- Patent number 7,311,806
- Issue date Dec 25, 2007
- Ichikawa Co. Ltd.
- Takashi Ouchi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Papermaking press felt
- Patent number 7,135,094
- Issue date Nov 14, 2006
- Ichikawa Co., Ltd.
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Papermaking press felt and press apparatus for a papermaking machine
- Patent number 7,135,095
- Issue date Nov 14, 2006
- Ichikawa Co., Ltd.
- Hiroyuki Oda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Belt for a papermaking machine
- Patent number 7,128,811
- Issue date Oct 31, 2006
- Ichikawa Co., Ltd.
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Shoe press apparatus of a papermaking machine
- Patent number 6,936,139
- Issue date Aug 30, 2005
- Ichikawa Co., Ltd.
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Elastic belt for papermaking calender
- Patent number 6,858,291
- Issue date Feb 22, 2005
- Ichikawa Co., Ltd.
- Norio Sakuma
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Belt for calendering
- Patent number 6,780,287
- Issue date Aug 24, 2004
- Ichikawa Co., Ltd.
- Norio Sakuma
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Shoe press belt
- Patent number 6,736,939
- Issue date May 18, 2004
- Ichikawa Co., Ltd.
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Papermaking press felt
- Patent number 6,716,318
- Issue date Apr 6, 2004
- Ichikawa Co., Ltd.
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Shoe press belt and manufacturing method
- Patent number 6,699,368
- Issue date Mar 2, 2004
- Ichikawa Co., Ltd.
- Hirofumi Ishii
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Papermaking felt
- Patent number 6,514,386
- Issue date Feb 4, 2003
- Ichikawa Co., Ltd.
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 6,406,825
- Issue date Jun 18, 2002
- Konica Corporation
- Tomoo Sakimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 6,268,097
- Issue date Jul 31, 2001
- Konica Corporation
- Hirofumi Hayata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 6,143,452
- Issue date Nov 7, 2000
- Konica Corporation
- Tomoo Sakimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 5,853,934
- Issue date Dec 29, 1998
- Konica Corporation
- Kazumasa Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 5,753,395
- Issue date May 19, 1998
- Konica Corporation
- Akira Kinoshita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 5,565,288
- Issue date Oct 15, 1996
- Konica Corporation
- Kazumasa Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor comprising mixed crystals of tita...
- Patent number 5,354,635
- Issue date Oct 11, 1994
- Konica Corporation
- Akihiko Itami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor with titanyl phthaloycyanine
- Patent number 5,350,655
- Issue date Sep 27, 1994
- Konica Corporation
- Tomomi Oshiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor with perylene and styryl compounds
- Patent number 5,338,637
- Issue date Aug 16, 1994
- Konica Corporation
- Akira Kinoshita
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrophotographic photoreceptor and manufacturing method thereof
- Patent number 5,234,785
- Issue date Aug 10, 1993
- Konica Corporation
- Akihiko Itami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and manufacturing method thereof
- Patent number 5,215,840
- Issue date Jun 1, 1993
- Konica Corporation
- Akihiko Itami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor
- Patent number 5,039,586
- Issue date Aug 13, 1991
- Konica Corporation
- Akihiko Itami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoreceptor having a photosensitive layer containing an azo compound
- Patent number 4,692,393
- Issue date Sep 8, 1987
- Konishiroku Photo Industry Co., Ltd.
- Akira Kinoshita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor containing an azo compound
- Patent number 4,647,520
- Issue date Mar 3, 1987
- Konoshiroku Photo Industry Co., Ltd.
- Kazumasa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic light-sensitive element
- Patent number 4,520,095
- Issue date May 28, 1985
- Konishiroku Photo Industry Co., Ltd.
- Tatsuhiko Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic recording material with indole redox releaser
- Patent number 4,499,181
- Issue date Feb 12, 1985
- Konishiroku Photo Ind., Co., Ltd.
- Kazumasa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Light-sensitive photographic element comprising a magenta image dye...
- Patent number 4,256,831
- Issue date Mar 17, 1981
- Konishiroku Photo Industry Co., Ltd.
- Masaru Kanbe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light-sensitive photographic element comprising a cyan image dye-pr...
- Patent number 4,247,629
- Issue date Jan 27, 1981
- Konishiroku Photo Industry Co., Ltd.
- Masaru Kanbe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
2-Sulfamoyl-5-sulfamido-1-naphthols
- Patent number 4,225,708
- Issue date Sep 30, 1980
- Konishiroku Photo Industry Co., Ltd.
- Masaru Kanbe
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Papermaking machine belt and method for producing the same
- Publication number 20050197478
- Publication date Sep 8, 2005
- ICHIKAWA CO., LTD.
- Kazumasa Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Papermaking needle felt
- Publication number 20040200594
- Publication date Oct 14, 2004
- Ichikawa Co., Ltd.
- Takashi Ouchi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Papermaking press felt and press apparatus for a papermaking machine
- Publication number 20040137819
- Publication date Jul 15, 2004
- Ichikawa Co., Ltd.
- Hiroyuki Oda
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Belt for a papermaking machine
- Publication number 20040040685
- Publication date Mar 4, 2004
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Papermaking press felt
- Publication number 20040026058
- Publication date Feb 12, 2004
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Belt for calendering
- Publication number 20030201086
- Publication date Oct 30, 2003
- Norio Sakuma
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Shoe press apparatus of a papermaking machine
- Publication number 20030145971
- Publication date Aug 7, 2003
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Papermaking press felt
- Publication number 20030051848
- Publication date Mar 20, 2003
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Elastic belt for papermaking calender
- Publication number 20030024675
- Publication date Feb 6, 2003
- Norio Sakuma
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Shoe press belt
- Publication number 20030024677
- Publication date Feb 6, 2003
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Shoe press belt and manufacturing method
- Publication number 20020092639
- Publication date Jul 18, 2002
- Hirofumi Ishii
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Papermaking felt
- Publication number 20020060045
- Publication date May 23, 2002
- Kazumasa Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Kazumasa Watanabe

Person

Patents Grantslast 30 patents

Papermaking needle felt

Papermaking press felt

Papermaking press felt and press apparatus for a papermaking machine

Belt for a papermaking machine

Shoe press apparatus of a papermaking machine

Elastic belt for papermaking calender

Belt for calendering

Shoe press belt

Papermaking press felt

Shoe press belt and manufacturing method

Papermaking felt

Electrophotographic photoreceptor

Electrophotographic photoreceptor

Electrophotographic photoreceptor

Electrophotographic photoreceptor

Electrophotographic photoreceptor

Electrophotographic photoreceptor

Electrophotographic photoreceptor comprising mixed crystals of tita...

Electrophotographic photoreceptor with titanyl phthaloycyanine

Electrophotographic photoreceptor with perylene and styryl compounds

Electrophotographic photoreceptor and manufacturing method thereof

Electrophotographic photoreceptor and manufacturing method thereof

Electrophotographic photoreceptor

Photoreceptor having a photosensitive layer containing an azo compound

Electrophotographic photoreceptor containing an azo compound

Photographic light-sensitive element

Photographic recording material with indole redox releaser

Light-sensitive photographic element comprising a magenta image dye...

Light-sensitive photographic element comprising a cyan image dye-pr...

2-Sulfamoyl-5-sulfamido-1-naphthols

Patents Applicationslast 30 patents

Papermaking machine belt and method for producing the same

Papermaking needle felt

Papermaking press felt and press apparatus for a papermaking machine

Belt for a papermaking machine

Papermaking press felt

Belt for calendering

Shoe press apparatus of a papermaking machine

Papermaking press felt

Elastic belt for papermaking calender

Shoe press belt

Shoe press belt and manufacturing method

Papermaking felt