Kunio Wakai

Person

Ibaraki-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Plasma CVD apparatus
- Patent number 6,367,411
- Issue date Apr 9, 2002
- Hitachi Maxell, Ltd.
- Yoichi Ogawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Plasma CVD apparatus
- Patent number 6,312,524
- Issue date Nov 6, 2001
- Hitachi Maxell, Ltd.
- Yoichi Ogawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Plasma CVD apparatus
- Patent number 6,044,792
- Issue date Apr 4, 2000
- Hitachi Maxwell, Ltd.
- Yoichi Ogawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium
- Patent number 5,496,620
- Issue date Mar 5, 1996
- Hitachi Maxell, Ltd.
- Osamu Kitakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and method for producing the same
- Patent number 5,073,449
- Issue date Dec 17, 1991
- Hitachi Maxell Ltd.
- Hideaki Niimi
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording medium and method for producing th...
- Patent number 5,068,144
- Issue date Nov 26, 1991
- Hitachi Maxell, Ltd.
- Osamu Kitakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Soft magnetic materials comprising 9 to 15 atomic percent carbon atoms
- Patent number 5,059,337
- Issue date Oct 22, 1991
- Hitachi Maxell, Ltd.
- Tsuyoshi Maro
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of making a magnetic recording medium
- Patent number 5,000,984
- Issue date Mar 19, 1991
- Hitachi Maxell, Ltd.
- Kunio Wakai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium and process for producing the same
- Patent number 4,983,455
- Issue date Jan 8, 1991
- Hitachi Maxell, Ltd.
- Kunio Wakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Arrangement for preventing entrance of harmful particles for use in...
- Patent number 4,933,797
- Issue date Jun 12, 1990
- Hitachi Maxell Ltd.
- Hikaru Mizutani
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and production thereof
- Patent number 4,855,175
- Issue date Aug 8, 1989
- Hitachi Maxell, Ltd.
- Kunio Wakai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of a making magnetic recording medium
- Patent number 4,847,109
- Issue date Jul 11, 1989
- Hitachi Maxell, Ltd.
- Susumu Shibasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,826,739
- Issue date May 2, 1989
- Hitachi Maxell, Ltd.
- Noboru Isoe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and production of the same
- Patent number 4,755,426
- Issue date Jul 5, 1988
- Hitachi Maxell, Ltd.
- Fumio Kokai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and production thereof
- Patent number 4,737,415
- Issue date Apr 12, 1988
- Hitachi Maxell, Ltd.
- Minoru Ichijo
- G11 - INFORMATION STORAGE

Kunio Wakai

Person

Patents Grantslast 30 patents

Plasma CVD apparatus

Plasma CVD apparatus

Plasma CVD apparatus

Magnetic recording medium

Magnetic recording medium and method for producing the same

Perpendicular magnetic recording medium and method for producing th...

Soft magnetic materials comprising 9 to 15 atomic percent carbon atoms

Method of making a magnetic recording medium

Magnetic recording medium and process for producing the same

Arrangement for preventing entrance of harmful particles for use in...

Magnetic recording medium and production thereof

Method of a making magnetic recording medium

Magnetic recording medium

Magnetic recording medium and production of the same

Magnetic recording medium and production thereof