Keiko TSUCHIYA

Person

Niigata-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information processing apparatus, information processing system, an...
- Patent number 12,143,749
- Issue date Nov 12, 2024
- Ricoh Company, Ltd.
- Hidetoshi Kikuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fe-based amorphous alloy, powder core using the same, and coil enca...
- Patent number 9,422,614
- Issue date Aug 23, 2016
- Alps Green Devices Co., Ltd.
- Keiko Tsuchiya
- C21 - METALLURGY OF IRON
Information Patent Grant
Fe-based amorphous alloy powder, dust core using the same, and coil...
- Patent number 8,854,173
- Issue date Oct 7, 2014
- Alps Green Devices Co., Ltd.
- Keiko Tsuchiya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fe-based amorphous alloy, powder core using the same, and coil enca...
- Patent number 8,685,179
- Issue date Apr 1, 2014
- Alps Green Devices Co., Ltd.
- Keiko Tsuchiya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fe-based soft magnetic alloy and dust core using fe-based soft magn...
- Patent number 8,282,745
- Issue date Oct 9, 2012
- Alps Green Devices Co., Ltd.
- Keiko Tsuchiya
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Fe-based amorphous magnetic alloy and magnetic sheet
- Patent number 8,147,622
- Issue date Apr 3, 2012
- Alps Green Devices Co. Ltd.
- Hisato Koshiba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Magnetic recording medium
- Patent number 4,816,341
- Issue date Mar 28, 1989
- TDK Corporation
- Masatoshi Nakayama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium
- Patent number 4,745,031
- Issue date May 17, 1988
- TDK Corporation
- Masatoshi Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sheet
- Patent number 4,741,977
- Issue date May 3, 1988
- TDK Corporation
- Keiji Koga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,699,847
- Issue date Oct 13, 1987
- TDK Corporation
- Masatoshi Nakayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,575,475
- Issue date Mar 11, 1986
- TDK Corporation
- Masatoshi Nakayama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, AN...
- Publication number 20230079461
- Publication date Mar 16, 2023
- RICOH COMPANY, LTD.
- Hidetoshi Kikuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Fe-BASED AMORPHOUS ALLOY, POWDER CORE USING THE SAME, AND COIL ENCA...
- Publication number 20140097922
- Publication date Apr 10, 2014
- ALPS GREEN DEVICES CO., LTD.
- Keiko TSUCHIYA
- C21 - METALLURGY OF IRON
Information Patent Application
FE-BASED AMORPHOUS ALLOY POWDER, DUST CORE USING THE SAME, AND COIL...
- Publication number 20130300531
- Publication date Nov 14, 2013
- Keiko TSUCHIYA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Fe-BASED AMORPHOUS ALLOY, POWDER CORE USING THE SAME, AND COIL ENCA...
- Publication number 20120092111
- Publication date Apr 19, 2012
- ALPS GREEN DEVICES CO., LTD.
- Keiko TSUCHIYA
- C21 - METALLURGY OF IRON
Information Patent Application
Fe-BASED SOFT MAGNETIC ALLOY AND DUST CORE USING Fe-BASED SOFT MAGN...
- Publication number 20110265915
- Publication date Nov 3, 2011
- ALPS GREEN DEVICES CO., LTD.
- Keiko TSUCHIYA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
FE-BASED AMORPHOUS MAGNETIC ALLOY AND MAGNETIC SHEET
- Publication number 20080142121
- Publication date Jun 19, 2008
- Alps Electric Company, Ltd.
- Hisato Koshiba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Keiko TSUCHIYA

Person

Patents Grantslast 30 patents

Information processing apparatus, information processing system, an...

Fe-based amorphous alloy, powder core using the same, and coil enca...

Fe-based amorphous alloy powder, dust core using the same, and coil...

Fe-based amorphous alloy, powder core using the same, and coil enca...

Fe-based soft magnetic alloy and dust core using fe-based soft magn...

Fe-based amorphous magnetic alloy and magnetic sheet

Magnetic recording medium

Magnetic recording medium

Magnetic sheet

Magnetic recording medium

Magnetic recording medium

Patents Applicationslast 30 patents

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, AN...

Fe-BASED AMORPHOUS ALLOY, POWDER CORE USING THE SAME, AND COIL ENCA...

FE-BASED AMORPHOUS ALLOY POWDER, DUST CORE USING THE SAME, AND COIL...

Fe-BASED AMORPHOUS ALLOY, POWDER CORE USING THE SAME, AND COIL ENCA...

Fe-BASED SOFT MAGNETIC ALLOY AND DUST CORE USING Fe-BASED SOFT MAGN...

FE-BASED AMORPHOUS MAGNETIC ALLOY AND MAGNETIC SHEET