Toshio HIROI

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic wave absorbing composition, and electromagnetic wav...
- Patent number 11,804,659
- Issue date Oct 31, 2023
- MAXELL, LTD.
- Toshio Hiroi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electromagnetic wave absorbing composition and electromagnetic wave...
- Patent number 11,587,705
- Issue date Feb 21, 2023
- MAXELL, LTD.
- Masao Fujita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic-wave-absorbing sheet
- Patent number 11,515,643
- Issue date Nov 29, 2022
- MAXELL, LTD.
- Masao Fujita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic-wave-absorbing sheet
- Patent number 11,152,711
- Issue date Oct 19, 2021
- MAXELL HOLDINGS, LTD.
- Masao Fujita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coating-type magnetic recording medium for heat-assisted recording,...
- Patent number 11,100,948
- Issue date Aug 24, 2021
- MAXELL HOLDINGS, LTD.
- Shinji Kawakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Electromagnetic absorber
- Patent number 10,716,247
- Issue date Jul 14, 2020
- MAXELL HOLDINGS, LTD.
- Masao Fujita
- B32 - LAYERED PRODUCTS
Information Patent Grant
Magnetic recording medium
- Patent number 10,614,847
- Issue date Apr 7, 2020
- MAXELL HOLDINGS, LTD.
- Shinji Kawakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium using ϵ-iron oxide particle magnetic powder
- Patent number 10,255,938
- Issue date Apr 9, 2019
- MAXELL HOLDINGS, LTD.
- Toshio Hiroi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ELECTROMAGNETIC WAVE ABSORBER
- Publication number 20240380121
- Publication date Nov 14, 2024
- MAXELL, LTD.
- Toshio HIROI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROMAGNETIC-WAVE-ABSORBING SHEET
- Publication number 20210408695
- Publication date Dec 30, 2021
- Maxell Holdings, Ltd.
- Masao FUJITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROMAGNETIC WAVE ABSORBER
- Publication number 20210225567
- Publication date Jul 22, 2021
- Maxell Holdings, Ltd.
- Toshio HIROI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROMAGNETIC WAVE ABSORBING COMPOSITION AND ELECTROMAGNETIC WAVE...
- Publication number 20200265977
- Publication date Aug 20, 2020
- Maxell Holdings, Ltd.
- Masao FUJITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROMAGNETIC WAVE ABSORPTION SHEET
- Publication number 20200267877
- Publication date Aug 20, 2020
- Maxell Holdings, Ltd.
- Toshio HIROI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTROMAGNETIC WAVE ABSORBING COMPOSITION, AND ELECTROMAGNETIC WAV...
- Publication number 20200227833
- Publication date Jul 16, 2020
- MAXELL HOLDINGS, LTD.
- Toshio HIROI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTROMAGNETIC-WAVE ABSORBING SHEET
- Publication number 20200008328
- Publication date Jan 2, 2020
- Maxell Holdings, Ltd.
- Toshio HIROI
- B32 - LAYERED PRODUCTS
Information Patent Application
ELECTROMAGNETIC-WAVE-ABSORBING SHEET
- Publication number 20190312356
- Publication date Oct 10, 2019
- Maxell Holdings, Ltd.
- Masao FUJITA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
COATING-TYPE MAGNETIC RECORDING MEDIUM FOR HEAT-ASSISTED RECORDING,...
- Publication number 20190287562
- Publication date Sep 19, 2019
- Maxell Holdings, Ltd.
- Shinji KAWAKAMI
- G11 - INFORMATION STORAGE
Information Patent Application
ELECTROMAGNETIC ABSORBER
- Publication number 20190269048
- Publication date Aug 29, 2019
- Maxell Holdings, Ltd.
- Masao FUJITA
- B32 - LAYERED PRODUCTS
Information Patent Application
ELECTRIC WAVE ABSORPTION SHEET
- Publication number 20190215994
- Publication date Jul 11, 2019
- Maxell Holdings, Ltd.
- Toshio HIROI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20180182422
- Publication date Jun 28, 2018
- Maxell Holdings, Ltd.
- Shinji KAWAKAMI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20170221513
- Publication date Aug 3, 2017
- Hitachi Maxell, Ltd.
- Toshio HIROI
- G11 - INFORMATION STORAGE

Toshio HIROI

Person

Patents Grantslast 30 patents

Electromagnetic wave absorbing composition, and electromagnetic wav...

Electromagnetic wave absorbing composition and electromagnetic wave...

Electromagnetic-wave-absorbing sheet

Electromagnetic-wave-absorbing sheet

Coating-type magnetic recording medium for heat-assisted recording,...

Electromagnetic absorber

Magnetic recording medium

Magnetic recording medium using ϵ-iron oxide particle magnetic powder

Patents Applicationslast 30 patents

ELECTROMAGNETIC WAVE ABSORBER

ELECTROMAGNETIC-WAVE-ABSORBING SHEET

ELECTROMAGNETIC WAVE ABSORBER

ELECTROMAGNETIC WAVE ABSORBING COMPOSITION AND ELECTROMAGNETIC WAVE...

ELECTROMAGNETIC WAVE ABSORPTION SHEET

ELECTROMAGNETIC WAVE ABSORBING COMPOSITION, AND ELECTROMAGNETIC WAV...

ELECTROMAGNETIC-WAVE ABSORBING SHEET

ELECTROMAGNETIC-WAVE-ABSORBING SHEET

COATING-TYPE MAGNETIC RECORDING MEDIUM FOR HEAT-ASSISTED RECORDING,...

ELECTROMAGNETIC ABSORBER

ELECTRIC WAVE ABSORPTION SHEET

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM