Hirahata Shigeru

Person

Ooiso-machi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Recording apparatus for recording digital information
- Patent number 6,898,578
- Issue date May 24, 2005
- Hitachi, Ltd.
- Manabu Sasamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Encrypting conversion apparatus, decrypting conversion apparatus, c...
- Patent number 6,683,956
- Issue date Jan 27, 2004
- Hitachi, Ltd.
- Makoto Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data encrypting/decrypting conversion methods and apparatuses and d...
- Patent number 6,606,385
- Issue date Aug 12, 2003
- Hitachi, Ltd.
- Makoto Aikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Digital information recording apparatus for recording digital infor...
- Patent number 6,453,304
- Issue date Sep 17, 2002
- Hitachi, Ltd.
- Sasamoto Manabu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for making a digest picture
- Patent number 5,974,218
- Issue date Oct 26, 1999
- Hitachi, Ltd.
- Akio Nagasaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Television receiver capable of enlarging and compressing image
- Patent number 5,534,934
- Issue date Jul 9, 1996
- Hitachi, Ltd.
- Kenji Katsumata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for receiving wide/standard picture plane television signal
- Patent number 5,353,065
- Issue date Oct 4, 1994
- Hitachi, Ltd.
- Kenji Katsumata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wide-screen television receiver with aspect ratio conversion functi...
- Patent number 5,343,238
- Issue date Aug 30, 1994
- Hitachi, Ltd.
- Haruki Takata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Compatible wide aspect ratio receiver with spatial filtering for va...
- Patent number 5,276,515
- Issue date Jan 4, 1994
- Hitachi, Ltd.
- Kenji Katsumata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image signal correction circuit and image signal processor using th...
- Patent number 5,249,037
- Issue date Sep 28, 1993
- Hitachi, Ltd.
- Masato Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processor for a wide televison receiver
- Patent number 5,243,421
- Issue date Sep 7, 1993
- Hitachi, Ltd.
- Tatsuo Nagata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Processing circuit for a plurality of different TV signals
- Patent number 5,218,436
- Issue date Jun 8, 1993
- Hitachi, Ltd.
- Masato Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal processing circuit capable of enlarging and displaying...
- Patent number 5,181,110
- Issue date Jan 19, 1993
- Hitachi, Ltd.
- Kenji Katsumata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Television receiver compatible with both standard system television...
- Patent number 5,132,793
- Issue date Jul 21, 1992
- Hitachi, Ltd.
- Shigeru Hirahata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal processing circuit capable of enlarging and displaying...
- Patent number 5,029,006
- Issue date Jul 2, 1991
- Hitachi, Ltd.
- Kenji Katsumata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Motion signal generating circuit for use in a television receiver
- Patent number 4,953,032
- Issue date Aug 28, 1990
- Hitachi, Ltd.
- Tohru Suzaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sequential scanning converter with frame comb filter and freeze fra...
- Patent number 4,853,765
- Issue date Aug 1, 1989
- Hitachi, Ltd.
- Kenji Katsumata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual port video memory system having a bit-serial address input port
- Patent number 4,821,226
- Issue date Apr 11, 1989
- RCA Licensing Corporation
- Todd J. Christopher
- G11 - INFORMATION STORAGE
Information Patent Grant
Computer memory refresh circuit
- Patent number 4,802,118
- Issue date Jan 31, 1989
- Hitachi, Ltd.
- Toyota Honda
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Movement detection circuit of a video signal used in a television r...
- Patent number 4,794,454
- Issue date Dec 27, 1988
- Hitachi, Ltd.
- Masato Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Motion detector for chrominance signal in TV receiver
- Patent number 4,775,888
- Issue date Oct 4, 1988
- Hitachi, Ltd.
- Isao Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video memory control apparatus
- Patent number 4,748,504
- Issue date May 31, 1988
- Hitachi, Ltd.
- Tetsuya Ikeda
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Motion detector for chrominance signal in TV receiver
- Patent number 4,736,252
- Issue date Apr 5, 1988
- Hitachi, Ltd.
- Isao Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal processing circuit of motion adaptive type
- Patent number 4,733,297
- Issue date Mar 22, 1988
- Hitachi Ltd. & Hitachi Video Eng.
- Kenji Katsumata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Contour signal correction circuit for television receiver
- Patent number 4,733,300
- Issue date Mar 22, 1988
- Hitachi, Ltd.
- Masato Sugiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Character and graphic signal generating apparatus
- Patent number 4,591,845
- Issue date May 27, 1986
- Hitachi, Ltd.
- Shigeru Komatsu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Data transfer system in which time for transfer of data to a memory...
- Patent number 4,473,879
- Issue date Sep 25, 1984
- Hitachi, Ltd.
- Tsuguji Tachiuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Arrangement for control of the operation of a random access memory...
- Patent number 4,417,318
- Issue date Nov 22, 1983
- Hitachi, Ltd.
- Shigeru Hirahata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pattern display apparatus
- Patent number 4,408,197
- Issue date Oct 4, 1983
- Hitachi, Ltd.
- Shigeru Komatsu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device for both a character display and a graphic display
- Patent number 4,404,552
- Issue date Sep 13, 1983
- Hitachi, Ltd.
- Shigeru Hirahata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY METHOD AND DISPLAY DEVICE
- Publication number 20100005414
- Publication date Jan 7, 2010
- Hitachi,Ltd
- Mikine ISHIGURO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Display method and display device
- Publication number 20050193350
- Publication date Sep 1, 2005
- Mikine Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Recording apparatus for recording digital information
- Publication number 20050180289
- Publication date Aug 18, 2005
- Sasamoto Manabu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electronic apparatus and method for starting up system of such appa...
- Publication number 20050050314
- Publication date Mar 3, 2005
- Fumio Ohkita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Recording apparatus for recording digital information
- Publication number 20030110134
- Publication date Jun 12, 2003
- Manabu Sasamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Encrypting conversion apparatus, decrypting conversion apparatus, c...
- Publication number 20030026430
- Publication date Feb 6, 2003
- Makoto Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data encrypting/decrypting conversion methods and apparatuses and d...
- Publication number 20010014154
- Publication date Aug 16, 2001
- Hitachi, Ltd.
- Makoto Aikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Hirahata Shigeru

Person

Patents Grantslast 30 patents

Recording apparatus for recording digital information

Encrypting conversion apparatus, decrypting conversion apparatus, c...

Data encrypting/decrypting conversion methods and apparatuses and d...

Digital information recording apparatus for recording digital infor...

Method and apparatus for making a digest picture

Television receiver capable of enlarging and compressing image

Apparatus for receiving wide/standard picture plane television signal

Wide-screen television receiver with aspect ratio conversion functi...

Compatible wide aspect ratio receiver with spatial filtering for va...

Image signal correction circuit and image signal processor using th...

Signal processor for a wide televison receiver

Processing circuit for a plurality of different TV signals

Video signal processing circuit capable of enlarging and displaying...

Television receiver compatible with both standard system television...

Video signal processing circuit capable of enlarging and displaying...

Motion signal generating circuit for use in a television receiver

Sequential scanning converter with frame comb filter and freeze fra...

Dual port video memory system having a bit-serial address input port

Computer memory refresh circuit

Movement detection circuit of a video signal used in a television r...

Motion detector for chrominance signal in TV receiver

Video memory control apparatus

Motion detector for chrominance signal in TV receiver

Video signal processing circuit of motion adaptive type

Contour signal correction circuit for television receiver

Character and graphic signal generating apparatus

Data transfer system in which time for transfer of data to a memory...

Arrangement for control of the operation of a random access memory...

Pattern display apparatus

Display device for both a character display and a graphic display

Patents Applicationslast 30 patents

DISPLAY METHOD AND DISPLAY DEVICE

Display method and display device

Recording apparatus for recording digital information

Electronic apparatus and method for starting up system of such appa...

Recording apparatus for recording digital information

Encrypting conversion apparatus, decrypting conversion apparatus, c...

Data encrypting/decrypting conversion methods and apparatuses and d...