Akira Nahara

Person

Odawara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Perpendicular magnetic recording medium comprising a magnetic thin...
- Patent number 5,413,868
- Issue date May 9, 1995
- Fuji Photo Film Co., Ltd.
- Satoshi Matsubaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk
- Patent number 5,311,500
- Issue date May 10, 1994
- Fuji Photo Film Co., Ltd.
- Manabu Higuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and method of producing the same
- Patent number 5,109,377
- Issue date Apr 28, 1992
- Fuji Photo Film Co., Ltd.
- Ryoichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and the method for preparin...
- Patent number 4,994,321
- Issue date Feb 19, 1991
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium with at least one protective layer...
- Patent number 4,975,339
- Issue date Dec 4, 1990
- Fuji Photo Film Co., Ltd.
- Takashi Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making magneto-optical recording medium
- Patent number 4,929,320
- Issue date May 29, 1990
- Fuji Photo Film Co., Ltd.
- Takashi Yamada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magneto-optical recording medium
- Patent number 4,897,320
- Issue date Jan 30, 1990
- Fuji Photo Film Co., Ltd.
- Masaaki Nomura
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for preparing a magnetic recording medium
- Patent number 4,869,797
- Issue date Sep 26, 1989
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Vertical magnetization type recording medium and manufacturing meth...
- Patent number 4,868,070
- Issue date Sep 19, 1989
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for producing magnetic recording medium
- Patent number 4,867,101
- Issue date Sep 19, 1989
- Fuji Photo Film Co., Ltd.
- Fusao Yamanaka
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of manufacturing vertical magnetization type recording medium
- Patent number 4,865,878
- Issue date Sep 12, 1989
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,840,843
- Issue date Jun 20, 1989
- Fuji Photo Film Co., Ltd.
- Kunihiko Sano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 4,837,118
- Issue date Jun 6, 1989
- Fuji Photo Film Co., Ltd.
- Ryoichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and method of making the same
- Patent number 4,808,456
- Issue date Feb 28, 1989
- Fuji Photo Film Co., Ltd.
- Takashi Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk substrate
- Patent number 4,802,160
- Issue date Jan 31, 1989
- Fuji Photo Film Co., Ltd.
- Takashi Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 4,789,606
- Issue date Dec 6, 1988
- Fuji Photo Film Co., Ltd.
- Takashi Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing method by a change in composition on a so...
- Patent number 4,748,592
- Issue date May 31, 1988
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making magneto-optical recording medium
- Patent number 4,735,698
- Issue date Apr 5, 1988
- Fuji Photo Film Co., Ltd.
- Masaaki Nomura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Vertical magnetization type recording medium and manufacturing meth...
- Patent number 4,717,592
- Issue date Jan 5, 1988
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- 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
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
Magneto-optical disk memory
- Patent number 4,610,903
- Issue date Sep 9, 1986
- Fuji Photo Film Co., Ltd.
- Masaaki Nomura
- G11 - INFORMATION STORAGE
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
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 4,536,443
- Issue date Aug 20, 1985
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium
- Patent number 4,521,481
- Issue date Jun 4, 1985
- Fuji Photo Film Co., Ltd.
- Makoto Nagao
- G11 - INFORMATION STORAGE

Akira Nahara

Person

Patents Grantslast 30 patents

Perpendicular magnetic recording medium comprising a magnetic thin...

Magneto-optical disk

Magneto-optical recording medium and method of producing the same

Perpendicular magnetic recording medium and the method for preparin...

Magneto-optical recording medium with at least one protective layer...

Method of making magneto-optical recording medium

Magneto-optical recording medium

Method for preparing a magnetic recording medium

Vertical magnetization type recording medium and manufacturing meth...

Apparatus for producing magnetic recording medium

Method of manufacturing vertical magnetization type recording medium

Magnetic recording medium

Magneto-optical recording medium

Magneto-optical recording medium and method of making the same

Optical disk substrate

Magneto-optical recording medium

Recording and reproducing method by a change in composition on a so...

Method of making magneto-optical recording medium

Vertical magnetization type recording medium and manufacturing meth...

Magnetic recording medium

Magnetic recording medium with chromiumiron protective layer

Process of forming ultrafine pattern

Magneto-optical disk memory

Magnetic recording medium having improved weather resistance

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