Junichi Ikoma

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display unit
- Patent number 7,295,174
- Issue date Nov 13, 2007
- Hitachi, Ltd.
- Toshimitsu Watanabe
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device
- Patent number 7,271,783
- Issue date Sep 18, 2007
- Hitachi, Ltd.
- Yoshie Kodera
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device having luminance correcting function
- Patent number 7,227,520
- Issue date Jun 5, 2007
- Hitachi, Ltd.
- Toshimitsu Watanabe
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Projection lens apparatus and projection type image display apparatus
- Patent number 7,142,367
- Issue date Nov 28, 2006
- Hitachi, Ltd.
- Hidehiro Ikeda
- G02 - OPTICS
Information Patent Grant
Projection lens apparatus and projection type image display apparatus
- Patent number 6,975,460
- Issue date Dec 13, 2005
- Hitachi, Ltd.
- Hidehiro Ikeda
- G02 - OPTICS
Information Patent Grant
Image display device and method of displaying images with static im...
- Patent number 6,879,112
- Issue date Apr 12, 2005
- Hitachi, Ltd.
- Hidenao Kubota
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Projection lens apparatus and projection type image display apparatus
- Patent number 6,560,041
- Issue date May 6, 2003
- Hitachi, Ltd.
- Hidehiro Ikeda
- G02 - OPTICS
Information Patent Grant
Color display apparatus having compensating unit
- Patent number 5,418,575
- Issue date May 23, 1995
- Hitachi, Ltd.
- Atsushi Kaneko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiprojection apparatus
- Patent number 5,206,760
- Issue date Apr 27, 1993
- Hitachi, Ltd.
- Akio Nakashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
System for correcting time base error of information reproducing ap...
- Patent number 4,745,494
- Issue date May 17, 1988
- Hitachi Video Eng. Inc.
- Atsushi Kaneko
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for reproducing information recorded on a disk
- Patent number 4,740,939
- Issue date Apr 26, 1988
- Hitachi Ltd.
- Takashi Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc positioning device
- Patent number 4,497,003
- Issue date Jan 29, 1985
- Hitachi, Ltd.
- Masayuki Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Skip/arm servo system for a video disc player
- Patent number 4,482,992
- Issue date Nov 13, 1984
- Hitachi, Ltd.
- Keizo Shimizu
- G11 - INFORMATION STORAGE
Information Patent Grant
Frequency detector
- Patent number 4,410,853
- Issue date Oct 18, 1983
- Hitachi, Ltd.
- Junichi Ikoma
- G01 - MEASURING TESTING
Information Patent Grant
Stylus position detecting apparatus
- Patent number 4,400,807
- Issue date Aug 23, 1983
- Hitachi, Ltd.
- Tokinori Furuichi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Projection lens apparatus and projection type image display apparatus
- Publication number 20060012755
- Publication date Jan 19, 2006
- Hidehiro Ikeda
- G02 - OPTICS
Information Patent Application
Display unit
- Publication number 20050001792
- Publication date Jan 6, 2005
- Hitachi, Ltd
- Toshimitsu Watanabe
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
IMAGE DISPLAY DEVICE AND METHOD OF DISPLAYING IMAGES WITH STATIC IM...
- Publication number 20040251842
- Publication date Dec 16, 2004
- Hitachi, Ltd.
- Hidenao Kubota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Display device having luminance correcting function
- Publication number 20040252083
- Publication date Dec 16, 2004
- Hitachi, Ltd
- Toshimitsu Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Display device
- Publication number 20040233137
- Publication date Nov 25, 2004
- Hitachi, Ltd
- Yoshie Kodera
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Projection lens apparatus and projection type image display apparatus
- Publication number 20030197954
- Publication date Oct 23, 2003
- Hidehiro Ikeda
- G02 - OPTICS
Information Patent Application
Projection lens apparatus and projection type image display apparatus
- Publication number 20020097500
- Publication date Jul 25, 2002
- Hidehiro Ikeda
- G02 - OPTICS

Junichi Ikoma

Person

Patents Grantslast 30 patents

Display unit

Display device

Display device having luminance correcting function

Projection lens apparatus and projection type image display apparatus

Projection lens apparatus and projection type image display apparatus

Image display device and method of displaying images with static im...

Projection lens apparatus and projection type image display apparatus

Color display apparatus having compensating unit

Multiprojection apparatus

System for correcting time base error of information reproducing ap...

Apparatus for reproducing information recorded on a disk

Disc positioning device

Skip/arm servo system for a video disc player

Frequency detector

Stylus position detecting apparatus

Patents Applicationslast 30 patents

Projection lens apparatus and projection type image display apparatus

Display unit

IMAGE DISPLAY DEVICE AND METHOD OF DISPLAYING IMAGES WITH STATIC IM...

Display device having luminance correcting function

Display device

Projection lens apparatus and projection type image display apparatus

Projection lens apparatus and projection type image display apparatus