Kenichi Hase

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk storage apparatus
- Patent number 6,266,200
- Issue date Jul 24, 2001
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk storage apparatus with phase sync circuit having cont...
- Patent number 5,999,353
- Issue date Dec 7, 1999
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Linear transfer voltage to current circuit
- Patent number 5,963,064
- Issue date Oct 5, 1999
- Hitachi, Ltd.
- Kenji Toyota
- G05 - CONTROLLING REGULATING
Information Patent Grant
Digital information signal reproducing circuit and digital informat...
- Patent number 5,937,020
- Issue date Aug 10, 1999
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing delay circuit
- Patent number 5,878,097
- Issue date Mar 2, 1999
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing delay circuit
- Patent number 5,636,254
- Issue date Jun 3, 1997
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk storage apparatus with phase sync circuit having cont...
- Patent number 5,633,766
- Issue date May 27, 1997
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Active filter control apparatus
- Patent number 5,572,163
- Issue date Nov 5, 1996
- Hitachi, Ltd.
- Hiroshi Kimura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Disk recording apparatus with adaptive window adjusting
- Patent number 5,559,645
- Issue date Sep 24, 1996
- Hitachi, Ltd.
- Shyoichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Sync data introduction method and system
- Patent number 5,475,715
- Issue date Dec 12, 1995
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk system and waveform equalizer therefor
- Patent number 5,463,504
- Issue date Oct 31, 1995
- Hitachi, Ltd.
- Hiroshi Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk storage apparatus with phase sync circuit having cont...
- Patent number 5,404,250
- Issue date Apr 4, 1995
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Data separator and signal processing circuit with an adjustable window
- Patent number 5,402,274
- Issue date Mar 28, 1995
- Hitachi, Ltd.
- Shyoichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit which performs phase synchronization
- Patent number 5,222,002
- Issue date Jun 22, 1993
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE
Information Patent Grant
Data separator and signal processing circuit
- Patent number 5,187,615
- Issue date Feb 16, 1993
- Hitachi, Ltd.
- Shyoichi Miyazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Address mark generating method and its circuit in a data memory
- Patent number 5,062,011
- Issue date Oct 29, 1991
- Hitachi, Ltd.
- Kenichi Hase
- G11 - INFORMATION STORAGE

Kenichi Hase

Person

Patents Grantslast 30 patents

Magnetic disk storage apparatus

Magnetic disk storage apparatus with phase sync circuit having cont...

Linear transfer voltage to current circuit

Digital information signal reproducing circuit and digital informat...

Signal processing delay circuit

Signal processing delay circuit

Magnetic disk storage apparatus with phase sync circuit having cont...

Active filter control apparatus

Disk recording apparatus with adaptive window adjusting

Sync data introduction method and system

Magnetic disk system and waveform equalizer therefor

Magnetic disk storage apparatus with phase sync circuit having cont...

Data separator and signal processing circuit with an adjustable window

Semiconductor integrated circuit which performs phase synchronization

Data separator and signal processing circuit

Address mark generating method and its circuit in a data memory