Masashi Aonuma

Person

Odawara, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Method of producing magnetic material with alkaline borohydrides
- Patent number 4,096,316
- Issue date Jun 20, 1978
- Fuji Photo Film Co., Ltd.
- Yasuo Tamai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Production of magnetic recording material
- Patent number 4,086,374
- Issue date Apr 25, 1978
- Fuji Photo Film Co., Ltd.
- Masaaki Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording substance
- Patent number 4,076,861
- Issue date Feb 28, 1978
- Fuji Photo Film Co., Ltd.
- Masahiko Furukawa
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for the production of a ferromagnetic metal powder
- Patent number 4,069,073
- Issue date Jan 17, 1978
- Fuji Photo Film Co., Ltd.
- Eiichi Tadokoro
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for production of ferromagnetic powder
- Patent number 4,063,000
- Issue date Dec 13, 1977
- Fuji Photo Film Co., Ltd.
- Masashi Aonuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing ferromagnetic powder
- Patent number 4,059,463
- Issue date Nov 22, 1977
- Fuji Photo Film Co., Ltd.
- Masashi Aonuma
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for producing a magnetic material and magnetic recording me...
- Patent number 4,020,236
- Issue date Apr 26, 1977
- Fuji Photo Film Co., Ltd.
- Masashi Aonuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,009,111
- Issue date Feb 22, 1977
- Fuji Photo Film Co., Ltd.
- Yasuo Tamai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Ferromagnetic metal powder comprising lead and method for making th...
- Patent number 4,007,072
- Issue date Feb 8, 1977
- Fuji Photo Film Co., Ltd.
- Masashi Aonuma
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Ferromagnetic powder for magnetic recording medium and method for p...
- Patent number 3,966,510
- Issue date Jun 29, 1976
- Fuji Photo Film Co., Ltd.
- Masashi Aonuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording medium
- Patent number 3,943,012
- Issue date Mar 9, 1976
- Fuji Photo Film Co., Ltd.
- Yasuo Tamai
- G11 - INFORMATION STORAGE

Masashi Aonuma

Person

Patents Grantslast 30 patents

Method of producing magnetic material with alkaline borohydrides

Production of magnetic recording material

Magnetic recording substance

Process for the production of a ferromagnetic metal powder

Process for production of ferromagnetic powder

Process for producing ferromagnetic powder

Process for producing a magnetic material and magnetic recording me...

Magnetic recording medium

Ferromagnetic metal powder comprising lead and method for making th...

Ferromagnetic powder for magnetic recording medium and method for p...

Magnetic recording medium