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Yoshihiro Saito
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Toyohasi-Shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Charging roll for electrophotographic equipment
Patent number
12,105,436
Issue date
Oct 1, 2024
Sumitomo Riko Company Limited
Yoshihiro Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging roll for electrophotographic apparatus
Patent number
12,013,650
Issue date
Jun 18, 2024
Sumitomo Riko Company Limited
Yoshihiro Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging roll or developing roll for electrophotographic device
Patent number
11,215,937
Issue date
Jan 4, 2022
Sumitomo Riko Company Limited
Kenta Nakazato
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Developing roll for electrophotographic device
Patent number
11,194,266
Issue date
Dec 7, 2021
Sumitomo Riko Company Limited
Tatsuya Kibayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging roll for electrophotographic equipment
Patent number
11,106,151
Issue date
Aug 31, 2021
Sumitomo Riko Company Limited
Yoshihiro Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for manufacturing blade for electrophotographic devices
Patent number
10,942,482
Issue date
Mar 9, 2021
Sumitomo Riko Company Limited
Shimpei Miyagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Charging member for electrophotographic equipment
Patent number
10,859,938
Issue date
Dec 8, 2020
Sumitomo Riko Company Limited
Yoshihiro Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging roll for electrophotographic equipment
Patent number
10,444,655
Issue date
Oct 15, 2019
Sumitomo Riko Company Limited
Yoshihiro Saito
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Simple analysis method of drugs
Patent number
9,097,693
Issue date
Aug 4, 2015
Shinwa Chemical Industries, Ltd.
Hiroo Wada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Copolymer, and adsorbent or concentrating medium and needle for sol...
Patent number
8,043,564
Issue date
Oct 25, 2011
Shinwa Chemical Industries, Ltd.
Hiroo Wada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Separation column from chromatography, medium for solid phase extra...
Patent number
7,211,189
Issue date
May 1, 2007
Shinwa Chemical Industries, Ltd.
Kiyokatsu Jinno
G01 - MEASURING TESTING
Information
Patent Grant
Separation column for chromatography, medium for solid phase extrac...
Patent number
6,780,314
Issue date
Aug 24, 2004
Shinwa Chemical Industries, Ltd.
Kiyokatsu Jinno
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC DEVICES AND METHOD FOR PRODUC...
Publication number
20240272563
Publication date
Aug 15, 2024
SUMITOMO RIKO COMPANY LIMITED
Manami MURAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE AND METHOD FOR MANUFAC...
Publication number
20240059875
Publication date
Feb 22, 2024
SUMITOMO RIKO COMPANY LIMITED
Yoshihiro SAITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC EQUIPMENT
Publication number
20230350321
Publication date
Nov 2, 2023
SUMITOMO RIKO COMPANY LIMITED
Yoshihiro SAITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20230314980
Publication date
Oct 5, 2023
SUMITOMO RIKO COMPANY LIMITED
Yoshihiro SAITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING ROLL OR DEVELOPING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE
Publication number
20210232058
Publication date
Jul 29, 2021
SUMITOMO RIKO COMPANY LIMITED
Kenta NAKAZATO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DEVELOPING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE
Publication number
20210223714
Publication date
Jul 22, 2021
SUMITOMO RIKO COMPANY LIMITED
Tatsuya KIBAYASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC EQUIPMENT
Publication number
20210157252
Publication date
May 27, 2021
SUMITOMO RIKO COMPANY LIMITED
Yoshihiro SAITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR MANUFACTURING BLADE FOR ELECTROPHOTOGRAPHIC DEVICES
Publication number
20200333740
Publication date
Oct 22, 2020
SUMITOMO RIKO COMPANY LIMITED
Shimpei MIYAGAWA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CHARGING MEMBER FOR ELECTROPHOTOGRAPHIC EQUIPMENT
Publication number
20200073273
Publication date
Mar 5, 2020
SUMITOMO RIKO COMPANY LIMITED
Yoshihiro SAITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC EQUIPMENT
Publication number
20190235409
Publication date
Aug 1, 2019
SUMITOMO RIKO COMPANY LIMITED
Yoshihiro SAITO
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE
Publication number
20180275552
Publication date
Sep 27, 2018
SUMITOMO RIKO COMPANY LIMITED
Masanori Satoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20180136577
Publication date
May 17, 2018
SUMITOMO RIKO COMPANY LIMITED
Yoshihiro Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARGING ROLL AND METHOD OF PRODUCING THE SAME
Publication number
20100267537
Publication date
Oct 21, 2010
TOKAI RUBBER INDUSTRIES, LTD.
Shinkichi KASHIHARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Simple Analysis Method of Drugs
Publication number
20080193962
Publication date
Aug 14, 2008
Hiroo Wada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Separation column from chromatography, medium for solid phase extra...
Publication number
20050000874
Publication date
Jan 6, 2005
Shinwa Chemical Industries, Ltd.
Kiyokatsu Jinno
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Copolymer, and adsorbent or concentrating medium and needle for sol...
Publication number
20040091400
Publication date
May 13, 2004
Shinwa Chemical Industries, Ltd.
Hiroo Wada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Separation column for chromatography, mediun for solid phase extrac...
Publication number
20020050470
Publication date
May 2, 2002
Shinwa Chemical Industries, Ltd.
Kiyokatsu Jinno
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL