Tetsuya Hamaguchi

Person

Chiyoda-machi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Carriage arm assembly for locating magnetic head, and magnetic disk...
- Patent number 7,545,607
- Issue date Jun 9, 2009
- Hitachi Global Storage Technologies Japan, Ltd.
- Toshihiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Carriage arm assembly for locating magnetic head, and magnetic disk...
- Patent number 7,110,223
- Issue date Sep 19, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Toshihiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Carriage arm assembly for locating magnetic head, and magnetic disk...
- Patent number 7,031,118
- Issue date Apr 18, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Toshihiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Carriage arm assembly for magnetic disk drive
- Patent number 6,982,852
- Issue date Jan 3, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Shin Nagahiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Carriage arm assembly for locating magnetic head, and magnetic disk...
- Patent number 6,879,467
- Issue date Apr 12, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Toshihiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary disk type storage device
- Patent number 6,876,513
- Issue date Apr 5, 2005
- Hitachi, Ltd.
- Keiko Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for assembling disc apparatus
- Patent number 6,839,956
- Issue date Jan 11, 2005
- Hitachi, Ltd.
- Keiko Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc apparatus having actuator for head positioning mechanism
- Patent number 6,636,385
- Issue date Oct 21, 2003
- Hitachi, Ltd.
- Kei Yasuna
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording disk apparatus
- Patent number 6,597,532
- Issue date Jul 22, 2003
- Hitachi, Ltd.
- Kazuaki Usui
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive with a movable ramp mechanism for relieving imp...
- Patent number 6,549,377
- Issue date Apr 15, 2003
- Hitachi, Ltd.
- Takeshi Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Retraction control method and magnetic disk apparatus
- Patent number 6,490,116
- Issue date Dec 3, 2002
- Hitachi, Ltd.
- Keiko Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus
- Patent number 6,462,910
- Issue date Oct 8, 2002
- Hitachi, Ltd.
- Toshihiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic slider head and method of producing the same
- Patent number 6,373,659
- Issue date Apr 16, 2002
- Hitachi, Ltd.
- Tetsuya Hamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive with a movable ramp mechanism for relieving imp...
- Patent number 6,369,988
- Issue date Apr 9, 2002
- Hitachi, Ltd.
- Takeshi Yoshida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device
- Patent number 6,307,716
- Issue date Oct 23, 2001
- Hitachi, Ltd.
- Tetsuya Hamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Ramp load type magnetic disk unit
- Patent number 6,226,155
- Issue date May 1, 2001
- Hitachi, Ltd.
- Keiko Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider and method of production thereof
- Patent number 6,122,148
- Issue date Sep 19, 2000
- Hitachi, Ltd.
- Tetsuya Hamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head support device for magnetic disc recording device
- Patent number 6,069,774
- Issue date May 30, 2000
- Hitachi, Ltd.
- Toshihiro Arisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus
- Patent number 5,999,369
- Issue date Dec 7, 1999
- Hitachi, Ltd.
- Toshihiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head support device for magnetic disc recording device
- Patent number 5,930,082
- Issue date Jul 27, 1999
- Hitachi, Ltd.
- Toshihiro Arisaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus employing liquid bearing type or physical c...
- Patent number 5,835,305
- Issue date Nov 10, 1998
- Hitachi, Ltd.
- Tetsuya Hamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk, and magnetic disk apparatus
- Patent number 5,820,964
- Issue date Oct 13, 1998
- Hitachi, Ltd.
- Takayuki Nakakawaji
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic-head slider support mechanism and magnetic recording appar...
- Patent number 5,530,605
- Issue date Jun 25, 1996
- Hitachi, Ltd.
- Tetsuya Hamaguchi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Carriage arm assembly for locating magnetic head, and magnetic disk...
- Publication number 20070002497
- Publication date Jan 4, 2007
- Toshihiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
CARRIAGE ARM ASSEMBLY FOR LOCATING MAGNETIC HEAD, AND MAGNETIC DISK...
- Publication number 20060158786
- Publication date Jul 20, 2006
- Toshihiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Carriage arm assembly for locating magnetic head, and magnetic disk...
- Publication number 20050180056
- Publication date Aug 18, 2005
- Toshihiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Carriage arm assembly for magnetic disk drive
- Publication number 20030218833
- Publication date Nov 27, 2003
- Shin Nagahiro
- G11 - INFORMATION STORAGE
Information Patent Application
Rotary disk type storage device
- Publication number 20030081348
- Publication date May 1, 2003
- Keiko Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
Carriage arm assembly for locating magnetic head, and magnetic disk...
- Publication number 20030081356
- Publication date May 1, 2003
- Toshihiko Shimizu
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive with a movable ramp mechanism for relieving imp...
- Publication number 20020071219
- Publication date Jun 13, 2002
- Takeshi Yoshida
- G11 - INFORMATION STORAGE
Information Patent Application
Method for assembling disc apparatus
- Publication number 20020059718
- Publication date May 23, 2002
- Keiko Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disc apparatus and mobile information device
- Publication number 20010015876
- Publication date Aug 23, 2001
- Kei Yasuna
- G11 - INFORMATION STORAGE

Tetsuya Hamaguchi

Person

Patents Grantslast 30 patents

Carriage arm assembly for locating magnetic head, and magnetic disk...

Carriage arm assembly for locating magnetic head, and magnetic disk...

Carriage arm assembly for locating magnetic head, and magnetic disk...

Carriage arm assembly for magnetic disk drive

Carriage arm assembly for locating magnetic head, and magnetic disk...

Rotary disk type storage device

Method for assembling disc apparatus

Magnetic disc apparatus having actuator for head positioning mechanism

Information recording disk apparatus

Magnetic disk drive with a movable ramp mechanism for relieving imp...

Retraction control method and magnetic disk apparatus

Magnetic disk apparatus

Magnetic slider head and method of producing the same

Magnetic disk drive with a movable ramp mechanism for relieving imp...

Magnetic disk device

Ramp load type magnetic disk unit

Magnetic head slider and method of production thereof

Magnetic head support device for magnetic disc recording device

Magnetic disk apparatus

Magnetic head support device for magnetic disc recording device

Magnetic disk apparatus employing liquid bearing type or physical c...

Magnetic disk, and magnetic disk apparatus

Magnetic-head slider support mechanism and magnetic recording appar...

Patents Applicationslast 30 patents

Carriage arm assembly for locating magnetic head, and magnetic disk...

CARRIAGE ARM ASSEMBLY FOR LOCATING MAGNETIC HEAD, AND MAGNETIC DISK...

Carriage arm assembly for locating magnetic head, and magnetic disk...

Carriage arm assembly for magnetic disk drive

Rotary disk type storage device

Carriage arm assembly for locating magnetic head, and magnetic disk...

Magnetic disk drive with a movable ramp mechanism for relieving imp...

Method for assembling disc apparatus

Magnetic disc apparatus and mobile information device