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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S353/00Optics: image projectors

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Patents Grantslast 30 patents

Information Patent Grant
Video projection apparatus
- Patent number 7,287,866
- Issue date Oct 30, 2007
- Canon Kabushiki Kaisha
- Akira Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video projection apparatus
- Patent number 7,118,231
- Issue date Oct 10, 2006
- Canon Kabushiki Kaisha
- Akira Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polypropylene card construction
- Patent number 6,905,742
- Issue date Jun 14, 2005
- 3M Innovative Properties Company
- Nagraj Koneripalli
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Camera-assisted presentation system
- Patent number 6,893,132
- Issue date May 17, 2005
- Elmo Company, Limited
- Isao Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low profile overhead projector having a foldable post
- Patent number 6,595,646
- Issue date Jul 22, 2003
- 3M Innovative Properties Company
- Dwight G. Baldwin
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Projector having an inverted head optical arrangement
- Patent number 6,582,084
- Issue date Jun 24, 2003
- 3M Innovative Properties Company
- Patricia H. DeLuca
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Polypropylene card construction
- Patent number 6,555,213
- Issue date Apr 29, 2003
- 3M Innovative Properties Company
- Nagraj Koneripalli
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Projection type display device with image pickup function and commu...
- Patent number 6,533,423
- Issue date Mar 18, 2003
- Semiconductor Energy Laboratory Co., Ltd.
- Shunpei Yamazaki
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Overhead projector of the under mirror type
- Patent number 6,170,954
- Issue date Jan 9, 2001
- Elmo Co., Ltd.
- Mutsuo Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection type display device with image pickup function and commu...
- Patent number 6,082,865
- Issue date Jul 4, 2000
- Semiconductor Energy Laboratory Co., Ltd.
- Shunpei Yamazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Overhead projector
- Patent number 5,911,490
- Issue date Jun 15, 1999
- Minolta Co., Ltd.
- Takatoshi Ishikawa
- G02 - OPTICS
Information Patent Grant
Portable overhead projector
- Patent number 5,868,484
- Issue date Feb 9, 1999
- Casio Computer Co., Ltd.
- Masami Chikauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic calculating apparatus
- Patent number 5,836,666
- Issue date Nov 17, 1998
- Casio Computer Co., Ltd.
- Takaharu Aoyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic transparency method and apparatus
- Patent number 5,790,084
- Issue date Aug 4, 1998
- In Focus Systems, Inc.
- Steven R. Hix
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Overhead projector with high illuminance lamp as light source
- Patent number 5,683,160
- Issue date Nov 4, 1997
- Elmo Co., Ltd.
- Mamoru Fukaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Overhead projector with catadioptric fresnel lens
- Patent number 5,568,324
- Issue date Oct 22, 1996
- Minnesota Mining and Manufacturing Company
- John C. Nelson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic transparency with data storage medium
- Patent number 5,526,011
- Issue date Jun 11, 1996
- In Focus Systems, Inc.
- Steven R. Hix
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Condensers for overhead projectors
- Patent number 5,475,535
- Issue date Dec 12, 1995
- Minnesota Mining and Manufacturing Company
- Stephen K. Eckhardt
- G02 - OPTICS
Information Patent Grant
Overhead projector with achromatic Fresnel lens
- Patent number 5,453,880
- Issue date Sep 26, 1995
- Minnesota Mining and Manufacturing Company
- Dennis F. Vanderwerf
- G02 - OPTICS
Information Patent Grant
Catadioptric Fresnel lens
- Patent number 5,446,594
- Issue date Aug 29, 1995
- Minnesota Mining and Manufacturing Company
- John C. Nelson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Overhead projector support leg mechanism
- Patent number 5,428,416
- Issue date Jun 27, 1995
- Minnesota Mining and Manufacturing Company
- Ernesto M. Rodriquez
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Folding portable overhead projector
- Patent number 5,416,541
- Issue date May 16, 1995
- Stephen C. Fog
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image projector and image forming apparatus for image projection
- Patent number 5,414,481
- Issue date May 9, 1995
- Ricoh Company, Ltd.
- Tetsuya Fujioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transparent calculator for overhead projection
- Patent number 5,404,186
- Issue date Apr 4, 1995
- William T. Stokes
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Condensers for overhead projectors
- Patent number 5,400,094
- Issue date Mar 21, 1995
- Minnesota Mining and Manufacturing Company
- Stephen K. Eckhardt
- G02 - OPTICS
Information Patent Grant
Pivoting projection head for overhead projector
- Patent number 5,382,991
- Issue date Jan 17, 1995
- Minnesota Mining and Manufacturing Company
- Ernesto M. Rodriguez
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Portable overhead projector
- Patent number 5,374,969
- Issue date Dec 20, 1994
- Buhl Industries, Inc.
- David H. Kyhl
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Overhead projector illustration slate
- Patent number 5,367,350
- Issue date Nov 22, 1994
- David M. Winfrey
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Overhead projector with a spatial light modulator
- Patent number 5,325,137
- Issue date Jun 28, 1994
- Victor Company of Japan, Ltd.
- Toshio Konno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cholesteric polarizer for liquid crystal display and overhead proje...
- Patent number 5,325,218
- Issue date Jun 28, 1994
- Minnesota Mining and Manufacturing Company
- Stephen J. Willett
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Video projection apparatus
- Publication number 20060262286
- Publication date Nov 23, 2006
- Canon Kabushiki Kaisha
- Akira Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Video projection apparatus
- Publication number 20060055898
- Publication date Mar 16, 2006
- Canon Kabushiki Kaisha
- Akira Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Camera-assisted presentation system
- Publication number 20050046811
- Publication date Mar 3, 2005
- Elmo Company, Limited
- Isao Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polypropylene card construction
- Publication number 20030118794
- Publication date Jun 26, 2003
- 3M Innovative Properties Company
- Nagraj Koneripalli
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
Low profile overhead projector having a foldable post
- Publication number 20020176057
- Publication date Nov 28, 2002
- 3M Innovative Properties Company
- Dwight G. Baldwin
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Projector having an inverted head optical arrangement
- Publication number 20020145706
- Publication date Oct 10, 2002
- 3M Innovative Properties Company
- Patricia H. DeLuca
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Transparent

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Video projection apparatus

Video projection apparatus

Polypropylene card construction

Camera-assisted presentation system

Low profile overhead projector having a foldable post

Projector having an inverted head optical arrangement

Polypropylene card construction

Projection type display device with image pickup function and commu...

Overhead projector of the under mirror type

Projection type display device with image pickup function and commu...

Overhead projector

Portable overhead projector

Electronic calculating apparatus

Electronic transparency method and apparatus

Overhead projector with high illuminance lamp as light source

Overhead projector with catadioptric fresnel lens

Electronic transparency with data storage medium

Condensers for overhead projectors

Overhead projector with achromatic Fresnel lens

Catadioptric Fresnel lens

Overhead projector support leg mechanism

Folding portable overhead projector

Image projector and image forming apparatus for image projection

Transparent calculator for overhead projection

Condensers for overhead projectors

Pivoting projection head for overhead projector

Portable overhead projector

Overhead projector illustration slate

Overhead projector with a spatial light modulator

Cholesteric polarizer for liquid crystal display and overhead proje...

Patents Applicationslast 30 patents

Video projection apparatus

Video projection apparatus

Camera-assisted presentation system

Polypropylene card construction

Low profile overhead projector having a foldable post

Projector having an inverted head optical arrangement