Yasuo Fujii

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Aluminum alloy substrate for magnetic disks, method for producing s...
- Patent number 11,721,361
- Issue date Aug 8, 2023
- UACJ Corporation
- Kotaro Kitawaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy substrate for magnetic disk, method for producing th...
- Patent number 11,423,937
- Issue date Aug 23, 2022
- UACJ Corporation
- Kotaro Kitawaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Aluminum alloy sheet for magnetic disk and production method theref...
- Patent number 11,361,791
- Issue date Jun 14, 2022
- UACJ Corporation
- Kotaro Kitawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk substrate, method for manufacturing same and magnetic...
- Patent number 11,270,730
- Issue date Mar 8, 2022
- UACJ Corporation
- Takuya Murata
- G11 - INFORMATION STORAGE
Information Patent Grant
Aluminum alloy substrate for magnetic disks, method for producing s...
- Patent number 11,208,710
- Issue date Dec 28, 2021
- UACJ Corporation
- Kotaro Kitawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Aluminum-alloy substrate for magnetic disk, method for manufacturin...
- Patent number 11,037,594
- Issue date Jun 15, 2021
- UACJ Corporation
- Kotaro Kitawaki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Developing apparatus
- Patent number 5,188,057
- Issue date Feb 23, 1993
- Kabushiki Kaisha Toshiba
- Masaaki Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for preventing paper from falling in a transfer device for e...
- Patent number 5,138,396
- Issue date Aug 11, 1992
- Kabushiki Kaisha Toshiba
- Kouichirou Satou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic recording apparatus including a pivotably mount...
- Patent number 5,126,796
- Issue date Jun 30, 1992
- Kabushiki Kaisha Toshiba
- Yasuo Fujii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ALUMINUM ALLOY SHEET FOR MAGNETIC DISK AND PRODUCTION METHOD THEREF...
- Publication number 20210264944
- Publication date Aug 26, 2021
- UACJ CORPORATION
- Kotaro KITAWAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS, METHOD FOR PRODUCING S...
- Publication number 20210151077
- Publication date May 20, 2021
- Kotaro KITAWAKI
- G11 - INFORMATION STORAGE
Information Patent Application
ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK, METHOD FOR PRODUCING TH...
- Publication number 20210065742
- Publication date Mar 4, 2021
- UACJ CORPORATION
- Kotaro KITAWAKI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK SUBSTRATE, METHOD FOR MANUFACTURING SAME AND MAGNETIC...
- Publication number 20210050034
- Publication date Feb 18, 2021
- UACJ CORPORATION
- Takuya MURATA
- G11 - INFORMATION STORAGE
Information Patent Application
ALUMINUM-ALLOY SUBSTRATE FOR MAGNETIC DISK, METHOD FOR MANUFACTURIN...
- Publication number 20200381015
- Publication date Dec 3, 2020
- FURUKAWA ELECTRIC CO., LTD.
- Kotaro KITAWAKI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS, METHOD FOR PRODUCING S...
- Publication number 20200377984
- Publication date Dec 3, 2020
- UACJ CORPORATION
- Kotaro KITAWAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISC AND METHOD OF MANUFACTUR...
- Publication number 20190284668
- Publication date Sep 19, 2019
- UACJ CORPORATION
- Takuya MURATA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ALUMINUM ALLOY PLATE FOR MAGNETIC DISC SUBSTRATE, METHOD FOR PRODUC...
- Publication number 20190172487
- Publication date Jun 6, 2019
- UACJ CORPORATION
- Kotaro KITAWAKI
- G11 - INFORMATION STORAGE
Information Patent Application
METAL MEMBER FOR MAGNETIC STORAGE MEDIUM AND MAGNETIC STORAGE MEDIUM
- Publication number 20160042754
- Publication date Feb 11, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Wataru Kumagai
- G11 - INFORMATION STORAGE

Yasuo Fujii

Person

Patents Grantslast 30 patents

Aluminum alloy substrate for magnetic disks, method for producing s...

Aluminum alloy substrate for magnetic disk, method for producing th...

Aluminum alloy sheet for magnetic disk and production method theref...

Magnetic disk substrate, method for manufacturing same and magnetic...

Aluminum alloy substrate for magnetic disks, method for producing s...

Aluminum-alloy substrate for magnetic disk, method for manufacturin...

Developing apparatus

Device for preventing paper from falling in a transfer device for e...

Electrophotographic recording apparatus including a pivotably mount...

Patents Applicationslast 30 patents

ALUMINUM ALLOY SHEET FOR MAGNETIC DISK AND PRODUCTION METHOD THEREF...

ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS, METHOD FOR PRODUCING S...

ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK, METHOD FOR PRODUCING TH...

MAGNETIC DISK SUBSTRATE, METHOD FOR MANUFACTURING SAME AND MAGNETIC...

ALUMINUM-ALLOY SUBSTRATE FOR MAGNETIC DISK, METHOD FOR MANUFACTURIN...

ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS, METHOD FOR PRODUCING S...

ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISC AND METHOD OF MANUFACTUR...

ALUMINUM ALLOY PLATE FOR MAGNETIC DISC SUBSTRATE, METHOD FOR PRODUC...

METAL MEMBER FOR MAGNETIC STORAGE MEDIUM AND MAGNETIC STORAGE MEDIUM