Masao Fujita

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic wave absorber
- Patent number 12,176,131
- Issue date Dec 24, 2024
- MAXELL, LTD.
- Toshio Hiroi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Measurement system and radio wave blocking unit
- Patent number 12,019,110
- Issue date Jun 25, 2024
- MAXELL, LTD.
- Masao Fujita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 11,477,925
- Issue date Oct 18, 2022
- MAXELL, LTD.
- Masayuki Toyoda
- B32 - LAYERED PRODUCTS
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
High recording density magnetic recording medium and recording/repr...
- Patent number 10,861,487
- Issue date Dec 8, 2020
- 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
- Patent number 9,767,835
- Issue date Sep 19, 2017
- Hitachi Maxell, Ltd.
- Kenji Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 9,311,946
- Issue date Apr 12, 2016
- Hitachi Maxell, Ltd.
- Kenji Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape driving apparatus having a head displacing portion
- Patent number 8,593,754
- Issue date Nov 26, 2013
- Hitachi Maxell, Ltd.
- Masao Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape driving apparatus comprising a tape separation portio...
- Patent number 8,159,776
- Issue date Apr 17, 2012
- Hitachi Maxell, Ltd.
- Masao Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording apparatus and data recording method
- Patent number 8,130,463
- Issue date Mar 6, 2012
- Hitachi Maxell, Ltd.
- Masao Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing apparatus and recording medium
- Patent number 8,081,559
- Issue date Dec 20, 2011
- Hitachi Maxell, Ltd.
- Masao Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo signal recording apparatus, information recording apparatus,...
- Patent number 8,068,308
- Issue date Nov 29, 2011
- Hitachi Maxell, Ltd.
- Masao Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording apparatus for recording a data signal onto a magneti...
- Patent number 8,027,115
- Issue date Sep 27, 2011
- Hitachi Maxell, Ltd.
- Masao Fujita
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo signal recording apparatus, servo signal recording method, an...
- Patent number 7,808,736
- Issue date Oct 5, 2010
- Hitachi Maxell, Ltd.
- Kenji Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo signal recording method, servo signal recording apparatus, an...
- Patent number 7,701,655
- Issue date Apr 20, 2010
- Hitachi Maxell, Ltd.
- Masao Fujita
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC-WAVE ABSORBER AND MANUFACTURING METHOD FOR ELECTRIC-WAVE A...
- Publication number 20240098954
- Publication date Mar 21, 2024
- MAXELL, LTD.
- Masayuki TOYODA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
MEASUREMENT SYSTEM AND RADIO WAVE BLOCKING UNIT
- Publication number 20230042017
- Publication date Feb 9, 2023
- MAXELL, LTD.
- Masao FUJITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 20200146191
- Publication date May 7, 2020
- Maxell Holdings, Ltd.
- Masayuki TOYODA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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
HIGH RECORDING DENSITY MAGNETIC RECORDING MEDIUM AND RECORDING/REPR...
- Publication number 20180350398
- Publication date Dec 6, 2018
- Maxell Holdings, Ltd.
- Shinji KAWAKAMI
- G11 - INFORMATION STORAGE
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 20160180875
- Publication date Jun 23, 2016
- Hitachi Maxell, Ltd.
- Kenji TANAKA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM
- Publication number 20120045664
- Publication date Feb 23, 2012
- Kenji TANAKA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE DRIVING APPARATUS, MAGNETIC TAPE DRIVING METHOD
- Publication number 20110292539
- Publication date Dec 1, 2011
- Masao FUJITA
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO SIGNAL RECORDING APPARATUS, INFORMATION RECORDING APPARATUS,...
- Publication number 20090296269
- Publication date Dec 3, 2009
- HITACHI MAXELL, LTD.
- Masao Fujita
- G11 - INFORMATION STORAGE
Information Patent Application
Data recording apparatus and data recording system
- Publication number 20080310044
- Publication date Dec 18, 2008
- HITACHI MAXELL, LTD.
- Masao Fujita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA RECORDING APPARATUS AND DATA RECORDING METHOD
- Publication number 20080297941
- Publication date Dec 4, 2008
- Masao FUJITA
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO SIGNAL RECORDING APPARATUS, SERVO SIGNAL RECORDING METHOD, AN...
- Publication number 20080285171
- Publication date Nov 20, 2008
- Kenji TANAKA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TAPE DRIVING APPARATUS
- Publication number 20080259490
- Publication date Oct 23, 2008
- Hitachi Maxell, Ltd.
- Masao Fujita
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO SIGNAL RECORDING METHOD, SERVO SIGNAL RECORDING APPARATUS, AN...
- Publication number 20080180834
- Publication date Jul 31, 2008
- Masao FUJITA
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING AND REPRODUCING APPARATUS AND RECORDING MEDIUM
- Publication number 20080151712
- Publication date Jun 26, 2008
- Masao Fujita
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus and method for measuring spacing
- Publication number 20080123102
- Publication date May 29, 2008
- Hitachi Maxell, Ltd.
- Masao Fujita
- G01 - MEASURING TESTING

Masao Fujita

Person

Patents Grantslast 30 patents

Electromagnetic wave absorber

Measurement system and radio wave blocking unit

Electromagnetic wave absorbing composition, and electromagnetic wav...

Electromagnetic wave absorbing composition and electromagnetic wave...

Electromagnetic-wave-absorbing sheet

Electromagnetic wave absorbing sheet

Electromagnetic-wave-absorbing sheet

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

High recording density magnetic recording medium and recording/repr...

Electromagnetic absorber

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic tape driving apparatus having a head displacing portion

Magnetic tape driving apparatus comprising a tape separation portio...

Data recording apparatus and data recording method

Recording and reproducing apparatus and recording medium

Servo signal recording apparatus, information recording apparatus,...

Data recording apparatus for recording a data signal onto a magneti...

Servo signal recording apparatus, servo signal recording method, an...

Servo signal recording method, servo signal recording apparatus, an...

Patents Applicationslast 30 patents

ELECTRIC-WAVE ABSORBER AND MANUFACTURING METHOD FOR ELECTRIC-WAVE A...

MEASUREMENT SYSTEM AND RADIO WAVE BLOCKING UNIT

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

ELECTROMAGNETIC-WAVE-ABSORBING SHEET

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

ELECTROMAGNETIC ABSORBER

ELECTRIC WAVE ABSORPTION SHEET

HIGH RECORDING DENSITY MAGNETIC RECORDING MEDIUM AND RECORDING/REPR...

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC RECORDING MEDIUM

MAGNETIC TAPE DRIVING APPARATUS, MAGNETIC TAPE DRIVING METHOD

SERVO SIGNAL RECORDING APPARATUS, INFORMATION RECORDING APPARATUS,...

Data recording apparatus and data recording system

DATA RECORDING APPARATUS AND DATA RECORDING METHOD

SERVO SIGNAL RECORDING APPARATUS, SERVO SIGNAL RECORDING METHOD, AN...

MAGNETIC TAPE DRIVING APPARATUS

SERVO SIGNAL RECORDING METHOD, SERVO SIGNAL RECORDING APPARATUS, AN...

RECORDING AND REPRODUCING APPARATUS AND RECORDING MEDIUM

Apparatus and method for measuring spacing