Shizuo Umemura

Person

Kanagawa-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image recording device and optical fiber
- Patent number 6,519,387
- Issue date Feb 11, 2003
- Fuji Photo Film Co., Ltd.
- Hiroshi Sunagawa
- G02 - OPTICS
Information Patent Grant
Medium for recording information on ferroelectric material using po...
- Patent number 5,981,042
- Issue date Nov 9, 1999
- Fuji Photo Film Co., Ltd.
- Ryoichi Yamamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method of recording information on ferroelectric material using pol...
- Patent number 5,684,522
- Issue date Nov 4, 1997
- Fuji Photo Film Co., Ltd.
- Ryoichi Yamamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Information recording medium and method
- Patent number 5,418,029
- Issue date May 23, 1995
- Fuji Photo Film Co., Ltd.
- Ryoichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method
- Patent number 5,371,729
- Issue date Dec 6, 1994
- Fuji Photo Film Co., Ltd.
- Ryoichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium
- Patent number 5,055,353
- Issue date Oct 8, 1991
- Fuji Photo Film Co., Ltd.
- Ryoichi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical thin film
- Patent number 4,983,025
- Issue date Jan 8, 1991
- Fuji Photo Film Co., Ltd.
- Shizuo Umemura
- G11 - INFORMATION STORAGE
Information Patent Grant
Microwave device
- Patent number 4,822,673
- Issue date Apr 18, 1989
- Fuji Photo Film Co., Ltd.
- Shizuo Umemura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ferromagnetic particles with stable magnetic characteristics and me...
- Patent number 4,608,093
- Issue date Aug 26, 1986
- Fuji Photo Film Co., Ltd.
- Shizuo Umemura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ferromagnetic particles with stable magnetic characteristics and me...
- Patent number 4,554,089
- Issue date Nov 19, 1985
- Fuji Photo Film Co., Ltd.
- Shizuo Umemura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for preparing ferromagnetic metal particles
- Patent number 4,487,627
- Issue date Dec 11, 1984
- Fuji Photo Film Co., Ltd.
- Shizuo Umemura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for preparing ferromagnetic metal powder and a magnetic rec...
- Patent number 4,481,253
- Issue date Nov 6, 1984
- Fuji Photo Film Co., Ltd.
- Akihiro Matsufuji
- B22 - CASTING POWDER METALLURGY
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

Shizuo Umemura

Person

Patents Grantslast 30 patents

Image recording device and optical fiber

Medium for recording information on ferroelectric material using po...

Method of recording information on ferroelectric material using pol...

Information recording medium and method

Information recording method

Magneto-optical recording medium

Magneto-optical thin film

Microwave device

Ferromagnetic particles with stable magnetic characteristics and me...

Ferromagnetic particles with stable magnetic characteristics and me...

Method for preparing ferromagnetic metal particles

Process for preparing ferromagnetic metal powder and a magnetic rec...

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

Ferromagnetic powder treated with an organic silane compound