Fumiaki Yokoyama

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disc
- Patent number 5,846,628
- Issue date Dec 8, 1998
- Mitsubishi Kasei Corporation
- Toru Kuroe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Surface having a coating of a host multidentate ligand and a revers...
- Patent number 5,830,577
- Issue date Nov 3, 1998
- Mitsubishi Chemical Corporation
- Hideki Murayama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording medium
- Patent number 5,736,262
- Issue date Apr 7, 1998
- Mitsubishi Chemical Corporation
- Shin Ohkijima
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass substrate having surface protrusions for use as a magnetic di...
- Patent number 5,618,448
- Issue date Apr 8, 1997
- Mitsubishi Kasei Corporation
- Toru Kuroe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Magnetic recording medium comprising a protective layer and a lubri...
- Patent number 5,536,577
- Issue date Jul 16, 1996
- Mitsubishi Chemical Corporation
- Hideki Murayama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic recording medium and method for its production
- Patent number 5,494,722
- Issue date Feb 27, 1996
- Mitsubishi Chemical Corporation
- Masahiro Oka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method for its production
- Patent number 5,492,745
- Issue date Feb 20, 1996
- Mitsubishi Chemical Corporation
- Fumiaki Yokoyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Longitudinal magnetic recording medium comprising a circumterential...
- Patent number 5,352,501
- Issue date Oct 4, 1994
- Mitsubishi Kasei Corporation
- Yukihiro Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for producing a magnetic recording medium
- Patent number 4,997,539
- Issue date Mar 5, 1991
- Mitsubishi Kasei Corporation
- Kazunaga Komizo
- G11 - INFORMATION STORAGE

Fumiaki Yokoyama

Person

Patents Grantslast 30 patents

Magnetic disc

Surface having a coating of a host multidentate ligand and a revers...

Magnetic recording medium

Glass substrate having surface protrusions for use as a magnetic di...

Magnetic recording medium comprising a protective layer and a lubri...

Magnetic recording medium and method for its production

Magnetic recording medium and method for its production

Longitudinal magnetic recording medium comprising a circumterential...

Method and apparatus for producing a magnetic recording medium