Keiji Nagayama

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information recording and/or playback apparatus
- Patent number 8,270,816
- Issue date Sep 18, 2012
- Hitachi, Ltd.
- Toshiya Mizushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for recording and reproducing digital image and speech
- Patent number 8,224,151
- Issue date Jul 17, 2012
- Samsung Electronics Co., Ltd.
- Hisashi Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and reproducing apparatus
- Patent number 8,009,536
- Issue date Aug 30, 2011
- Hitachi, Ltd.
- Tomishige Yatsugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording/reproducing device and recording/reproduction method
- Patent number 7,885,515
- Issue date Feb 8, 2011
- Hitachi, Ltd.
- Yuichi Katano
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording apparatus and method
- Patent number 7,193,946
- Issue date Mar 20, 2007
- Hitachi, Ltd.
- Kazuto Yoneyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital camcorder
- Patent number 7,106,954
- Issue date Sep 12, 2006
- Hitachi, Ltd.
- Hisashi Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording apparatus and method
- Patent number 6,876,612
- Issue date Apr 5, 2005
- Hitachi, Ltd.
- Kazuto Yoneyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording/reproducing method and device with supplementary data sto...
- Patent number 6,445,654
- Issue date Sep 3, 2002
- Hitachi, Ltd.
- Hiroyuki Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for recording and reproducing digital image and speech
- Patent number 6,226,449
- Issue date May 1, 2001
- Hitachi, Ltd.
- Hisashi Inoue
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical Disc Recording/Reproducing Apparatus
- Publication number 20080212953
- Publication date Sep 4, 2008
- Hitachi, Ltd
- Keiji Nagayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECORDING AND REPRODUCING APPARATUS
- Publication number 20080151717
- Publication date Jun 26, 2008
- Tomishige Yatsugi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION RECORDING AND/OR PLAYBACK APPARATUS
- Publication number 20080131095
- Publication date Jun 5, 2008
- Toshiya Mizushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECORDING AND REPRODUCING DEVICE
- Publication number 20080134037
- Publication date Jun 5, 2008
- Masahiro Fujimoto
- G11 - INFORMATION STORAGE
Information Patent Application
Video Recording and Reproducing Apparatus
- Publication number 20070292104
- Publication date Dec 20, 2007
- Yuichi Katano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing apparatus
- Publication number 20070274682
- Publication date Nov 29, 2007
- Hitachi, Ltd
- Toshiya Mizushima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording apparatus for initializing recording media
- Publication number 20070122114
- Publication date May 31, 2007
- Hitachi, Ltd
- Keisuke Kawamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus for recording and reproducing digital image and speech
- Publication number 20070003234
- Publication date Jan 4, 2007
- Hisashi Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Picture management method, picture management apparatus, picture ma...
- Publication number 20060077265
- Publication date Apr 13, 2006
- Tetsuya Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information recording apparatus and method
- Publication number 20050149488
- Publication date Jul 7, 2005
- Hitachi, Ltd
- Kazuto Yoneyama
- G11 - INFORMATION STORAGE
Information Patent Application
Recording/reproducing device and recording/reproduction method
- Publication number 20040126083
- Publication date Jul 1, 2004
- Hitachi, Ltd.
- Yuichi Katano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical disc recording/reproducing apparatus
- Publication number 20030152365
- Publication date Aug 14, 2003
- Hitachi, Ltd
- Keiji Nagayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information recording apparatus and method
- Publication number 20030081525
- Publication date May 1, 2003
- Hitachi, Ltd
- Kazuto Yoneyama
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus for recording and reproducing digital image and speech
- Publication number 20010006579
- Publication date Jul 5, 2001
- Hisashi Inoue
- G11 - INFORMATION STORAGE

Keiji Nagayama

Person

Patents Grantslast 30 patents

Information recording and/or playback apparatus

Apparatus for recording and reproducing digital image and speech

Recording and reproducing apparatus

Recording/reproducing device and recording/reproduction method

Information recording apparatus and method

Digital camcorder

Information recording apparatus and method

Recording/reproducing method and device with supplementary data sto...

Apparatus for recording and reproducing digital image and speech

Patents Applicationslast 30 patents

Optical Disc Recording/Reproducing Apparatus

RECORDING AND REPRODUCING APPARATUS

INFORMATION RECORDING AND/OR PLAYBACK APPARATUS

RECORDING AND REPRODUCING DEVICE

Video Recording and Reproducing Apparatus

Image processing apparatus

Recording apparatus for initializing recording media

Apparatus for recording and reproducing digital image and speech

Picture management method, picture management apparatus, picture ma...

Information recording apparatus and method

Recording/reproducing device and recording/reproduction method

Optical disc recording/reproducing apparatus

Information recording apparatus and method

Apparatus for recording and reproducing digital image and speech