Hidekazu Takeda

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Recorder equipped with dubbing function
- Patent number 8,073,312
- Issue date Dec 6, 2011
- Hitachi, Ltd.
- Takashi Yoshimaru
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for cleaning a magneto-resistive head
- Patent number 6,757,123
- Issue date Jun 29, 2004
- Exabyte Corporation
- Kenmei Masuda
- G11 - INFORMATION STORAGE
Information Patent Grant
High reliability magneto-resistive head cleaning system
- Patent number 6,654,194
- Issue date Nov 25, 2003
- Hitachi, Ltd.
- Kenmei Masuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Drum base on which a drum of a magnetic tape recorder is mounted
- Patent number 6,078,464
- Issue date Jun 20, 2000
- Hitachi, Ltd.
- Hidekazu Takeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cartridge having triple lid assembly
- Patent number 6,061,213
- Issue date May 9, 2000
- Hitachi Maxell, Ltd.
- Hikaru Mizutani
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary head and recording/reading apparatus provided with rotary head
- Patent number 5,978,185
- Issue date Nov 2, 1999
- Hitachi Ltd.
- Fukuyasu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape guide structure of rotary head drum in recording/reproduction...
- Patent number 5,734,537
- Issue date Mar 31, 1998
- Hitachi, Ltd.
- Seiji Ono
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cartridge having triple lid assembly
- Patent number 5,687,047
- Issue date Nov 11, 1997
- Hitachi Maxell, Ltd.
- Hikaru Mizutani
- G11 - INFORMATION STORAGE
Information Patent Grant
Cassette loading mechanism for recording and playback apparatus
- Patent number 5,602,695
- Issue date Feb 11, 1997
- Hitachi, Ltd.
- Tatsumi Nishijima
- G11 - INFORMATION STORAGE
Information Patent Grant
Pneumatic static guide for a tape
- Patent number 5,570,831
- Issue date Nov 5, 1996
- Hitachi, Ltd.
- Hidekazu Takeda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Tape cartridge having a front lid with a covering wall
- Patent number 5,556,051
- Issue date Sep 17, 1996
- Hitachi Maxell, Ltd.
- Hikaru Mizutani
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cassette and magnetic recording/reproducing device
- Patent number 5,537,279
- Issue date Jul 16, 1996
- Hitachi Maxell, Ltd.
- Hidekazu Takeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Opening and closing of a front lid of a tape cartridge
- Patent number 5,503,348
- Issue date Apr 2, 1996
- Hitachi Maxell, Ltd.
- Hikaru Mizutani
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cartridge and recording reproduction apparatus for the tape ca...
- Patent number 5,497,279
- Issue date Mar 5, 1996
- Hitachi, Ltd.
- Tatsumi Nishijima
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cartridge system implementing variable sized tape cartridges d...
- Patent number 5,479,312
- Issue date Dec 26, 1995
- Hitachi Maxell, Ltd.
- Kenmei Masuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cassette having tape edge regulating members
- Patent number 5,469,319
- Issue date Nov 21, 1995
- Hitachi, Ltd.
- Hidekazu Takeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cartridge
- Patent number 5,454,527
- Issue date Oct 3, 1995
- Hitachi Maxell, Ltd.
- Hikaru Mizutani
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing apparatus including S fixed chas...
- Patent number 5,315,460
- Issue date May 24, 1994
- Hitachi, Ltd.
- Hidekazu Takeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Cassette lid-locking element with shutter portion for closing a lig...
- Patent number 5,295,637
- Issue date Mar 22, 1994
- Hitachi Maxwell, Ltd.
- Hidekazu Takeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape loading mechanism for magnetic recording and/or reproducing ap...
- Patent number 5,278,707
- Issue date Jan 11, 1994
- Hitachi, Ltd.
- Naoko Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Cassette loading apparatus having an inner cassette holder supporte...
- Patent number 5,124,854
- Issue date Jun 23, 1992
- Hitachi Ltd.
- Koji Iyota
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary head device having a motor within the rotary drum, and magne...
- Patent number 5,119,257
- Issue date Jun 2, 1992
- Hitachi, Ltd.
- Tetsuo Itou
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording/reproducing apparatus for recording onto or repr...
- Patent number RE33784
- Issue date Dec 31, 1991
- Hitachi, Ltd.
- Atsuo Osawa
- 360 - Dynamic magnetic information storage or retrieval
Information Patent Grant
Capstan arrangement for a magnetic recording/reproduction apparatus
- Patent number 5,065,264
- Issue date Nov 12, 1991
- Hitachi, Ltd.
- Motonori Ohmori
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape loading mechanism for a magnetic recording/reproducing apparatus
- Patent number 5,016,125
- Issue date May 14, 1991
- Hitachi, Ltd.
- Hidekazu Takeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape tension controller for a cassette recording/playback apparatus
- Patent number 4,943,874
- Issue date Jul 24, 1990
- Hitachi, Ltd.
- Hidekazu Takeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording/reproducing apparatus for recording onto or repr...
- Patent number 4,748,521
- Issue date May 31, 1988
- Hitachi, Ltd.
- Atsuo Osawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Image Display Device
- Publication number 20100295839
- Publication date Nov 25, 2010
- HITACHI CONSUMER ELECTRONICS CO., LTD.
- Shigeki Nagaya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MOVING PICTURE INDEXING METHOD AND MOVING PICTURE REPRODUCING DEVICE
- Publication number 20100257156
- Publication date Oct 7, 2010
- Kazushige Hiroi
- G11 - INFORMATION STORAGE
Information Patent Application
Recorder equipped with dubbing function
- Publication number 20050265169
- Publication date Dec 1, 2005
- Takashi Yoshimaru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Rotary magnetic head drum apparatus
- Publication number 20050168875
- Publication date Aug 4, 2005
- Hitachi, Ltd
- Shinji Okada
- G11 - INFORMATION STORAGE
Information Patent Application
Recording/reproducting apparatus and recording/reproducing method u...
- Publication number 20030223141
- Publication date Dec 4, 2003
- Hitachi, Ltd
- Kenmei Masuda
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for cleaning a magneto-resistive head
- Publication number 20020085302
- Publication date Jul 4, 2002
- Kenmei Masuda
- G11 - INFORMATION STORAGE

Hidekazu Takeda

Person

Patents Grantslast 30 patents

Recorder equipped with dubbing function

Method and apparatus for cleaning a magneto-resistive head

High reliability magneto-resistive head cleaning system

Drum base on which a drum of a magnetic tape recorder is mounted

Magnetic tape cartridge having triple lid assembly

Rotary head and recording/reading apparatus provided with rotary head

Tape guide structure of rotary head drum in recording/reproduction...

Magnetic tape cartridge having triple lid assembly

Cassette loading mechanism for recording and playback apparatus

Pneumatic static guide for a tape

Tape cartridge having a front lid with a covering wall

Tape cassette and magnetic recording/reproducing device

Opening and closing of a front lid of a tape cartridge

Tape cartridge and recording reproduction apparatus for the tape ca...

Tape cartridge system implementing variable sized tape cartridges d...

Magnetic tape cassette having tape edge regulating members

Tape cartridge

Magnetic recording and reproducing apparatus including S fixed chas...

Cassette lid-locking element with shutter portion for closing a lig...

Tape loading mechanism for magnetic recording and/or reproducing ap...

Cassette loading apparatus having an inner cassette holder supporte...

Rotary head device having a motor within the rotary drum, and magne...

Magnetic recording/reproducing apparatus for recording onto or repr...

Capstan arrangement for a magnetic recording/reproduction apparatus

Tape loading mechanism for a magnetic recording/reproducing apparatus

Tape tension controller for a cassette recording/playback apparatus

Magnetic recording/reproducing apparatus for recording onto or repr...

Patents Applicationslast 30 patents

Image Display Device

MOVING PICTURE INDEXING METHOD AND MOVING PICTURE REPRODUCING DEVICE

Recorder equipped with dubbing function

Rotary magnetic head drum apparatus

Recording/reproducting apparatus and recording/reproducing method u...

Method and apparatus for cleaning a magneto-resistive head