Yoshihiro Arai

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium
- Patent number 4,988,535
- Issue date Jan 29, 1991
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,835,068
- Issue date May 30, 1989
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing magnetic recording medium
- Patent number 4,724,156
- Issue date Feb 9, 1988
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for recording information by irradiation of, an deposition...
- Patent number 4,700,198
- Issue date Oct 13, 1987
- Fuji Photo Film Co., Ltd.
- Ryuji Shirahata
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having iron nitride recording layer
- Patent number 4,673,610
- Issue date Jun 16, 1987
- Fuji Photo Film Company, Limited
- Ryuji Shirahata
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for preparing magnetic recording medium
- Patent number 4,652,460
- Issue date Mar 24, 1987
- Fuji Photo Film Co., Ltd.
- Ryuji Shirahata
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,652,483
- Issue date Mar 24, 1987
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing magnetic recording medium
- Patent number 4,643,915
- Issue date Feb 17, 1987
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium with chromiumiron protective layer
- Patent number 4,639,815
- Issue date Jan 27, 1987
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Process of forming ultrafine pattern
- Patent number 4,626,315
- Issue date Dec 2, 1986
- Fuji Photo Film Co., Ltd.
- Tatsuji Kitamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording medium
- Patent number 4,622,271
- Issue date Nov 11, 1986
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium having improved weather resistance
- Patent number 4,609,962
- Issue date Sep 2, 1986
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of preparing a magnetic recording medium
- Patent number 4,601,912
- Issue date Jul 22, 1986
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital display measuring apparatus
- Patent number 4,578,868
- Issue date Apr 1, 1986
- Mitutoyo Mfg. Co., Ltd.
- Kohji Sasaki
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic recording medium
- Patent number 4,565,734
- Issue date Jan 21, 1986
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Process of manufacturing a magnetic recording medium
- Patent number 4,557,944
- Issue date Dec 10, 1985
- Fuji Photo Film Company Limited
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media and process of producing them
- Patent number 4,551,778
- Issue date Nov 5, 1985
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of forming thin vapor deposited film of organic material
- Patent number 4,543,275
- Issue date Sep 24, 1985
- Fuji Photo Film Co., Ltd.
- Goro Akashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium
- Patent number 4,521,482
- Issue date Jun 4, 1985
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,495,242
- Issue date Jan 22, 1985
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making a magnetic film target for sputtering
- Patent number 4,476,000
- Issue date Oct 9, 1984
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording media and process of producing them
- Patent number 4,419,404
- Issue date Dec 6, 1983
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin magnetic recording medium
- Patent number 4,367,257
- Issue date Jan 4, 1983
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing method and magnetic recording me...
- Patent number 4,358,806
- Issue date Nov 9, 1982
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a vertical axis of easy magnetization
- Patent number 4,351,010
- Issue date Sep 21, 1982
- Fuji Photo Film Co., Ltd.
- Yoshihiro Arai
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
BOLT ESCAPEMENT DEVICE
- Publication number 20230416013
- Publication date Dec 28, 2023
- DENGENSHA TOA CO., LTD.
- YOSHIHIRO ARAI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BOLT FEEDER
- Publication number 20230347459
- Publication date Nov 2, 2023
- DENGENSHA TOA CO.,LTD.
- Yoshiaki IWAMOTO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Yoshihiro Arai

Person

Patents Grantslast 30 patents

Magnetic recording medium

Magnetic recording medium

Method of manufacturing magnetic recording medium

Process for recording information by irradiation of, an deposition...

Magnetic recording medium having iron nitride recording layer

Process for preparing magnetic recording medium

Magnetic recording medium

Process for producing magnetic recording medium

Magnetic recording medium with chromiumiron protective layer

Process of forming ultrafine pattern

Magnetic recording medium

Magnetic recording medium having improved weather resistance

Method of preparing a magnetic recording medium

Digital display measuring apparatus

Magnetic recording medium

Process of manufacturing a magnetic recording medium

Magnetic recording media and process of producing them

Method of forming thin vapor deposited film of organic material

Magnetic recording medium

Magnetic recording medium

Method of making a magnetic film target for sputtering

Magnetic recording media and process of producing them

Thin magnetic recording medium

Magnetic recording and reproducing method and magnetic recording me...

Magnetic recording medium having a vertical axis of easy magnetization

Patents Applicationslast 30 patents

BOLT ESCAPEMENT DEVICE

BOLT FEEDER