Kohji Serizawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Disk device with reduced flutter
- Patent number 7,573,671
- Issue date Aug 11, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Kohji Serizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with vibration suppression member disposed near head ass...
- Patent number 7,545,599
- Issue date Jun 9, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Kohji Serizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive damper having a thin portion and a plurality of thick po...
- Patent number 6,690,540
- Issue date Feb 10, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoshihiro Hirasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive including a dust catching chamber and an associated gask...
- Patent number 6,657,812
- Issue date Dec 2, 2003
- Hitachi Global Storage Technologies Netherlands B.V.
- Kohji Serizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus, hard disk drive, and enclosure for hard disk...
- Patent number 6,633,452
- Issue date Oct 14, 2003
- International Business Machines Corporation
- Yoshihiro Hirasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for erasing data stored on a magnetic disk
- Patent number 6,594,099
- Issue date Jul 15, 2003
- International Business Machines Corporation
- Kohji Serizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for guiding and locking a rotary actuator
- Patent number 6,137,658
- Issue date Oct 24, 2000
- International Business Machines Corporation
- Shinichi Matsuzaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device with shock resistance flexure and ramp limited sy...
- Patent number 6,067,209
- Issue date May 23, 2000
- International Business Machines Corporation
- Akihiko Aoyagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with impulse torque generating element
- Patent number 5,818,657
- Issue date Oct 6, 1998
- International Buisness Machines Corporation
- Sri Muthuthamby Sri-Jayantha
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Disk drive with vibration suppression
- Publication number 20060164751
- Publication date Jul 27, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Kohji Serizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Connection of circuit board with housing of disk drive
- Publication number 20060132966
- Publication date Jun 22, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Kohji Serizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Disk device with reduced flutter
- Publication number 20060132967
- Publication date Jun 22, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Kohji Serizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Damper, disk drive apparatus, and hard disk drive
- Publication number 20020044374
- Publication date Apr 18, 2002
- International Business Corporation
- Yoshihiro Hirasaka
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive apparatus, hard disk drive, gasket, and top cover
- Publication number 20020044376
- Publication date Apr 18, 2002
- International Business Machines Corporation
- Kohji Serizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive apparatus, hard disk drive, and enclosure for hard disk...
- Publication number 20020044375
- Publication date Apr 18, 2002
- International Business Machines Corporation
- Yoshihiro Hirasaka
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus for erasing data stored on a magnetic disk
- Publication number 20010043420
- Publication date Nov 22, 2001
- International Business Machines Corporation
- Kohji Serizawa
- G11 - INFORMATION STORAGE

Kohji Serizawa

Person

Patents Grantslast 30 patents

Disk device with reduced flutter

Disk drive with vibration suppression member disposed near head ass...

Disk drive damper having a thin portion and a plurality of thick po...

Disk drive including a dust catching chamber and an associated gask...

Disk drive apparatus, hard disk drive, and enclosure for hard disk...

Apparatus for erasing data stored on a magnetic disk

Apparatus for guiding and locking a rotary actuator

Disk drive device with shock resistance flexure and ramp limited sy...

Disk drive with impulse torque generating element

Patents Applicationslast 30 patents

Disk drive with vibration suppression

Connection of circuit board with housing of disk drive

Disk device with reduced flutter

Damper, disk drive apparatus, and hard disk drive

Disk drive apparatus, hard disk drive, gasket, and top cover

Disk drive apparatus, hard disk drive, and enclosure for hard disk...

Apparatus for erasing data stored on a magnetic disk