Masaru TERAKAWA

Person

Miyagi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium
- Patent number 12,087,340
- Issue date Sep 10, 2024
- Sony Group Corporation
- Natsuki Ichise
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium including magnetic layer having magnetic...
- Patent number 11,830,532
- Issue date Nov 28, 2023
- Sony Group Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing magnetic powder and method of producing magneti...
- Patent number 11,830,533
- Issue date Nov 28, 2023
- Sony Corporation
- Natsuki Toyosawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 11,798,588
- Issue date Oct 24, 2023
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having controlled dimensional variation
- Patent number 11,749,304
- Issue date Sep 5, 2023
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 11,626,128
- Issue date Apr 11, 2023
- Sony Group Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having -iron oxide-containing particles
- Patent number 11,574,651
- Issue date Feb 7, 2023
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Cobalt ferrite magnetic powder, method of producing the same, and m...
- Patent number 11,551,711
- Issue date Jan 10, 2023
- Sony Group Corporation
- Natsuki Ichise
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of producing a magnetic powder and method of producing a mag...
- Patent number 11,521,649
- Issue date Dec 6, 2022
- Sony Corporation
- Atsushi Muramatsu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording medium having controlled saturation flux density
- Patent number 11,514,941
- Issue date Nov 29, 2022
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 11,430,477
- Issue date Aug 30, 2022
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 11,355,145
- Issue date Jun 7, 2022
- Sony Corporation
- Eiji Nakashio
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic powder, method for production thereof, and magnetic record...
- Patent number 11,355,270
- Issue date Jun 7, 2022
- Sony Corporation
- Masaru Terakawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnetic recording medium having controlled dimensional variation
- Patent number 11,315,594
- Issue date Apr 26, 2022
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 11,270,729
- Issue date Mar 8, 2022
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having controlled coercive force ratio
- Patent number 11,217,277
- Issue date Jan 4, 2022
- Sony Corporation
- Masaru Terakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording medium
- Patent number 11,205,455
- Issue date Dec 21, 2021
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic powder, method of producing the same, and magnetic recordi...
- Patent number 11,170,813
- Issue date Nov 9, 2021
- Sony Corporation
- Atsushi Muramatsu
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnetic recording medium
- Patent number 11,145,328
- Issue date Oct 12, 2021
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and cartridge
- Patent number 11,031,033
- Issue date Jun 8, 2021
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a recording layer including epsilo...
- Patent number 11,031,034
- Issue date Jun 8, 2021
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 10,923,148
- Issue date Feb 16, 2021
- Sony Corporation
- Taikei Enomoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, laminate, and flexible device
- Patent number 10,872,633
- Issue date Dec 22, 2020
- Sony Corporation
- Eiji Nakashio
- B32 - LAYERED PRODUCTS
Information Patent Grant
Magnetic recording medium having cubic ferrite or e-phase iron oxid...
- Patent number 10,839,848
- Issue date Nov 17, 2020
- Sony Corporation
- Eiji Nakashio
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a dimensional variation
- Patent number 10,839,847
- Issue date Nov 17, 2020
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 10,803,897
- Issue date Oct 13, 2020
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic powder, method for production thereof, and magnetic record...
- Patent number 10,755,841
- Issue date Aug 25, 2020
- Sony Corporation
- Masaru Terakawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnetic recording medium
- Patent number 10,748,570
- Issue date Aug 18, 2020
- Sony Corporation
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having cubic ferrite or e-phase iron oxid...
- Patent number 10,204,651
- Issue date Feb 12, 2019
- Sony Corporation
- Eiji Nakashio
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20230075546
- Publication date Mar 9, 2023
- SONY GROUP CORPORATION
- Takeshi TAKAHASHI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING AND REPRODUCING APPAR...
- Publication number 20220399039
- Publication date Dec 15, 2022
- SONY GROUP CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20220392488
- Publication date Dec 8, 2022
- SONY GROUP CORPORATION
- Natsuki ICHISE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20220328066
- Publication date Oct 13, 2022
- SONY GROUP CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING/REPRODUCING DEVICE, A...
- Publication number 20220284924
- Publication date Sep 8, 2022
- SONY GROUP CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM HAVING CONTROLLED DIMENSIONAL VARIATION
- Publication number 20220230660
- Publication date Jul 21, 2022
- SONY CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20220139423
- Publication date May 5, 2022
- SONY GROUP CORPORATION
- Takashi KATAGUCHI
- G11 - INFORMATION STORAGE
Information Patent Application
COBALT FERRITE MAGNETIC POWDER, METHOD OF PRODUCING THE SAME, AND M...
- Publication number 20220036919
- Publication date Feb 3, 2022
- SONY GROUP CORPORATION
- Natsuki ICHISE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20210350827
- Publication date Nov 11, 2021
- SONY CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF PRODUCING A MAGNETIC POWDER AND METHOD OF PRODUCING A MAG...
- Publication number 20210287714
- Publication date Sep 16, 2021
- SONY CORPORATION
- Atsushi MURAMATSU
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD OF PRODUCING MAGNETIC POWDER AND METHOD OF PRODUCING MAGNETI...
- Publication number 20210027807
- Publication date Jan 28, 2021
- SONY CORPORATION
- Natsuki TOYOSAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20210020197
- Publication date Jan 21, 2021
- SONY CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20210012798
- Publication date Jan 14, 2021
- SONY CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND CARTRIDGE
- Publication number 20210012805
- Publication date Jan 14, 2021
- SONY CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20210012799
- Publication date Jan 14, 2021
- SONY CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20200372932
- Publication date Nov 26, 2020
- SONY CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20200365177
- Publication date Nov 19, 2020
- SONY CORPORATION
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20200342902
- Publication date Oct 29, 2020
- SONY CORPORATION
- Taikei ENOMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20200342901
- Publication date Oct 29, 2020
- SONY CORPORATION
- Taikei ENOMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, LAMINATE, AND FLEXIBLE DEVICE
- Publication number 20200321025
- Publication date Oct 8, 2020
- SONY CORPORATION
- Eiji NAKASHIO
- B32 - LAYERED PRODUCTS
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20200312364
- Publication date Oct 1, 2020
- SONY CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC POWDER, METHOD FOR PRODUCTION THEREOF, AND MAGNETIC RECORD...
- Publication number 20200303104
- Publication date Sep 24, 2020
- SONY CORPORATION
- MASARU TERAKAWA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20200118589
- Publication date Apr 16, 2020
- SONY CORPORATION
- Masaru TERAKAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20200098390
- Publication date Mar 26, 2020
- SONY CORPORATION
- Masaru TERAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20200066302
- Publication date Feb 27, 2020
- SONY CORPORATION
- Masaru TERAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20190362753
- Publication date Nov 28, 2019
- SONY CORPORATION
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20190295584
- Publication date Sep 26, 2019
- SONY CORPORATION
- Masaru Terakawa
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC POWDER, METHOD OF PRODUCING THE SAME, AND MAGNETIC RECORDI...
- Publication number 20190228800
- Publication date Jul 25, 2019
- SONY CORPORATION
- Atsushi MURAMATSU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
MAGNETIC RECORDING MEDIUM, LAMINATE, AND FLEXIBLE DEVICE
- Publication number 20190143637
- Publication date May 16, 2019
- SONY CORPORATION
- Eiji NAKASHIO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20190066723
- Publication date Feb 28, 2019
- SONY CORPORATION
- Eiji NAKASHIO
- G11 - INFORMATION STORAGE

Masaru TERAKAWA

Person

Patents Grantslast 30 patents

Magnetic recording medium

Magnetic recording medium including magnetic layer having magnetic...

Method of producing magnetic powder and method of producing magneti...

Magnetic recording medium

Magnetic recording medium having controlled dimensional variation

Magnetic recording medium

Magnetic recording medium having -iron oxide-containing particles

Cobalt ferrite magnetic powder, method of producing the same, and m...

Method of producing a magnetic powder and method of producing a mag...

Magnetic recording medium having controlled saturation flux density

Magnetic recording medium

Magnetic recording medium

Magnetic powder, method for production thereof, and magnetic record...

Magnetic recording medium having controlled dimensional variation

Magnetic recording medium

Magnetic recording medium having controlled coercive force ratio

Magnetic recording medium

Magnetic powder, method of producing the same, and magnetic recordi...

Magnetic recording medium

Magnetic recording medium and cartridge

Magnetic recording medium having a recording layer including epsilo...

Magnetic recording medium

Magnetic recording medium, laminate, and flexible device

Magnetic recording medium having cubic ferrite or e-phase iron oxid...

Magnetic recording medium having a dimensional variation

Magnetic recording medium

Magnetic powder, method for production thereof, and magnetic record...

Magnetic recording medium

Magnetic recording medium having cubic ferrite or e-phase iron oxid...

Patents Applicationslast 30 patents

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING AND REPRODUCING APPAR...

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING/REPRODUCING DEVICE, A...

MAGNETIC RECORDING MEDIUM HAVING CONTROLLED DIMENSIONAL VARIATION

MAGNETIC RECORDING MEDIUM

COBALT FERRITE MAGNETIC POWDER, METHOD OF PRODUCING THE SAME, AND M...

MAGNETIC RECORDING MEDIUM

METHOD OF PRODUCING A MAGNETIC POWDER AND METHOD OF PRODUCING A MAG...

METHOD OF PRODUCING MAGNETIC POWDER AND METHOD OF PRODUCING MAGNETI...

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM AND CARTRIDGE

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM, LAMINATE, AND FLEXIBLE DEVICE

MAGNETIC RECORDING MEDIUM

MAGNETIC POWDER, METHOD FOR PRODUCTION THEREOF, AND MAGNETIC RECORD...

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC POWDER, METHOD OF PRODUCING THE SAME, AND MAGNETIC RECORDI...

MAGNETIC RECORDING MEDIUM, LAMINATE, AND FLEXIBLE DEVICE

MAGNETIC RECORDING MEDIUM