Hajime Miyatsuka

Person

Odawara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium using a fatty acid ester lubricant wherei...
- Patent number 5,030,521
- Issue date Jul 9, 1991
- Fuji Photo Film Co., Ltd.
- Yasuo Nishikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,837,081
- Issue date Jun 6, 1989
- Fuji Photo Film Co., Ltd.
- Yasuyuki Yamada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Magnetic recording medium
- Patent number 4,798,755
- Issue date Jan 17, 1989
- Fuji Photo Film Co., Ltd.
- Yasuyuki Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,784,907
- Issue date Nov 15, 1988
- Fuji Photo Film Co., Ltd.
- Akihiro Matsufuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,784,914
- Issue date Nov 15, 1988
- Fuji Photo Film Co., Ltd.
- Akihiro Matsufuji
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Magnetic recording medium
- Patent number 4,687,704
- Issue date Aug 18, 1987
- Fuji Photo Film Co., Ltd.
- Takahito Miyoshi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,687,705
- Issue date Aug 18, 1987
- Fuji Photo Film Co., Ltd.
- Hajime Miyatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,555,431
- Issue date Nov 26, 1985
- Fuji Photo Film Co., Ltd.
- Hajime Miyatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,537,833
- Issue date Aug 27, 1985
- Fuji Photo Film Co., Ltd.
- Akira Kasuga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,496,626
- Issue date Jan 29, 1985
- Fuji Photo Film Co., Ltd.
- Akira Kasuga
- G11 - INFORMATION STORAGE
Information Patent Grant
Ferromagnetic metal particles of iron alloyed with Ti, V, Cr, Mn, C...
- Patent number 4,475,946
- Issue date Oct 9, 1984
- Fuji Photo Film Co., Ltd.
- Akihiro Matsufuji
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Ferromagnetic powder treated with an organic silane compound
- Patent number 4,437,882
- Issue date Mar 20, 1984
- Fuji Photo Film Co., Ltd.
- Shizuo Umemura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnetic recording medium of ferromagnetic particles and binder
- Patent number 4,431,712
- Issue date Feb 14, 1984
- Fuji Photo Film Co., Ltd.
- Akihiro Matsufuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,411,956
- Issue date Oct 25, 1983
- Fuji Photo Film Co., Ltd.
- Akihiro Matsufuji
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,407,901
- Issue date Oct 4, 1983
- Fuji Photo Film Co., Ltd.
- Hajime Miyatsuka
- G11 - INFORMATION STORAGE

Hajime Miyatsuka

Person

Patents Grantslast 30 patents

Magnetic recording medium using a fatty acid ester lubricant wherei...

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Ferromagnetic metal particles of iron alloyed with Ti, V, Cr, Mn, C...

Ferromagnetic powder treated with an organic silane compound

Magnetic recording medium of ferromagnetic particles and binder

Magnetic recording medium

Magnetic recording medium