Ryo SAKAMOTO

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Aluminum alloy disc blank for magnetic disc and magnetic disc
- Patent number 12,087,342
- Issue date Sep 10, 2024
- UACJ Corporation
- Kotaro Kitawaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin substrate built-in hard disk drive and base plate member for t...
- Patent number 12,033,665
- Issue date Jul 9, 2024
- 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 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 and method for manufactu...
- Patent number 11,482,251
- Issue date Oct 25, 2022
- UACJ Corporation
- Takuya Murata
- 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
Aluminum alloy sheet for magnetic disk and production method theref...
- Patent number 11,341,995
- Issue date May 24, 2022
- UACJ Corporation
- Kotaro Kitawaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Magnetic disc, aluminum alloy substrate for magnetic disc, and prod...
- Patent number 11,211,088
- Issue date Dec 28, 2021
- UACJ Corporation
- Takuya Murata
- 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
Aluminum alloy magnetic disk substrate and method for producing same
- Patent number 10,767,247
- Issue date Sep 8, 2020
- UACJ Corporation
- Takuya Murata
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
THIN SUBSTRATE BUILT-IN HARD DISK DRIVE AND BASE PLATE MEMBER FOR T...
- Publication number 20240119967
- Publication date Apr 11, 2024
- 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 MAGNETIC DISC
- Publication number 20240021213
- Publication date Jan 18, 2024
- UACJ CORPORATION
- Kotaro KITAWAKI
- G11 - INFORMATION STORAGE
Information Patent Application
ALUMINUM ALLOY DISC BLANK FOR MAGNETIC DISC AND MAGNETIC DISC
- Publication number 20240018633
- Publication date Jan 18, 2024
- UACJ CORPORATION
- Kotaro KITAWAKI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
COMPOSITION CONTAINING AGGREGATE, BINDER, AND WATER
- Publication number 20230339810
- Publication date Oct 26, 2023
- SUMITOMO MITSUI CONSTRUCTION CO., LTD.
- Taku MATSUDA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
ALUMINUM ALLOY DISC BLANK FOR MAGNETIC DISC AND MAGNETIC DISC
- Publication number 20230335161
- Publication date Oct 19, 2023
- UACJ CORPORATION
- Kotaro KITAWAKI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK SUBSTRATE AND MAGNETIC DISK USING MAGNETIC DISK SUBST...
- Publication number 20230238027
- Publication date Jul 27, 2023
- UACJ CORPORATION
- Kotaro KITAWAKI
- G11 - INFORMATION STORAGE
Information Patent Application
ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK, AND MAGNETIC DISK USING...
- Publication number 20230120845
- Publication date Apr 20, 2023
- 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, AND MAGNETIC DISK USIN...
- Publication number 20230111915
- Publication date Apr 13, 2023
- 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 DISK AND METHOD FOR MANUFACTU...
- Publication number 20210358520
- Publication date Nov 18, 2021
- UACJ CORPORATION
- Takuya MURATA
- G11 - INFORMATION STORAGE
Information Patent Application
ALUMINUM ALLOY SHEET FOR MAGNETIC DISK AND PRODUCTION METHOD THEREF...
- Publication number 20210319806
- Publication date Oct 14, 2021
- Kotaro KITAWAKI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
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
MAGNETIC DISC, ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISC, AND PROD...
- Publication number 20210012801
- Publication date Jan 14, 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 20200365180
- Publication date Nov 19, 2020
- UACJ CORPORATION
- Kotaro KITAWAKI
- G11 - INFORMATION STORAGE
Information Patent Application
ALUMINUM ALLOY MAGNETIC DISK SUBSTRATE AND METHOD FOR PRODUCING SAME
- Publication number 20190390304
- Publication date Dec 26, 2019
- UACJ CORPORATION
- Takuya MURATA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Ryo SAKAMOTO

Person

Patents Grantslast 30 patents

Aluminum alloy disc blank for magnetic disc and magnetic disc

Thin substrate built-in hard disk drive and base plate member for t...

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

Aluminum alloy substrate for magnetic disk and method for manufactu...

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

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

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

Magnetic disc, aluminum alloy substrate for magnetic disc, and prod...

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

Aluminum alloy magnetic disk substrate and method for producing same

Patents Applicationslast 30 patents

THIN SUBSTRATE BUILT-IN HARD DISK DRIVE AND BASE PLATE MEMBER FOR T...

ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISC AND MAGNETIC DISC

ALUMINUM ALLOY DISC BLANK FOR MAGNETIC DISC AND MAGNETIC DISC

COMPOSITION CONTAINING AGGREGATE, BINDER, AND WATER

ALUMINUM ALLOY DISC BLANK FOR MAGNETIC DISC AND MAGNETIC DISC

MAGNETIC DISK SUBSTRATE AND MAGNETIC DISK USING MAGNETIC DISK SUBST...

ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK, AND MAGNETIC DISK USING...

ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISKS, AND MAGNETIC DISK USIN...

ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK AND METHOD FOR MANUFACTU...

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

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

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

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

MAGNETIC DISC, ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISC, AND PROD...

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

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

ALUMINUM ALLOY MAGNETIC DISK SUBSTRATE AND METHOD FOR PRODUCING SAME