Ryuji Shirahata

Person

Odawara, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium
- Patent number 4,097,650
- Issue date Jun 27, 1978
- Fuji Photo Film Co., Ltd.
- Ryuji Shirahata
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of forming a metallic thin film by electroless plating on a...
- Patent number 4,089,993
- Issue date May 16, 1978
- Fuji Photo Film Co., Ltd.
- Ryuji Shirahata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium
- Patent number 4,087,582
- Issue date May 2, 1978
- Fuji Photo Film Co., Ltd.
- Ryuji Shirahata
- G11 - INFORMATION STORAGE
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 medium
- Patent number 4,072,781
- Issue date Feb 7, 1978
- Fuji Photo Film Co., Ltd.
- Ryuji Shirahata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing a magnetic recording medium
- Patent number 4,002,546
- Issue date Jan 11, 1977
- Fuji Photo Film Co., Ltd.
- Ryuji Shirahata
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Recording member comprising a substrate with a magnetic lager on on...
- Patent number 3,993,824
- Issue date Nov 23, 1976
- Fuji Photo Film Co., Ltd.
- Ryuji Shirahata
- G11 - INFORMATION STORAGE

Ryuji Shirahata

Person

Patents Grantslast 30 patents

Magnetic recording medium

Method of forming a metallic thin film by electroless plating on a...

Magnetic recording medium

Production of magnetic recording material

Magnetic recording medium

Method for producing a magnetic recording medium

Recording member comprising a substrate with a magnetic lager on on...