Hitomu Watanabe

Person

Shinjuku-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Contrast improving sheet and rear projection screen provided with t...
- Patent number 7,253,955
- Issue date Aug 7, 2007
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- G02 - OPTICS
Information Patent Grant
Projection screen and projection display
- Patent number 7,072,109
- Issue date Jul 4, 2006
- Dai Nippon Printing Co., Ltd.
- Masahiro Goto
- G02 - OPTICS
Information Patent Grant
Fresnel lens sheet and rear projection screen including the same
- Patent number 6,989,929
- Issue date Jan 24, 2006
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- G02 - OPTICS
Information Patent Grant
Fresnel lens sheet and rear projection screen
- Patent number 6,987,624
- Issue date Jan 17, 2006
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- G02 - OPTICS
Information Patent Grant
Method and apparatus for manufacturing a lens sheet
- Patent number 6,877,973
- Issue date Apr 12, 2005
- Dai Nippon Printing Co., Ltd.
- Kazuyuki Matsumoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Lenticular lens sheet and rear projection screen
- Patent number 6,762,883
- Issue date Jul 13, 2004
- Dai Nippon Printing Co., Ltd.
- Yoshiki Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lens sheet, projection screen using the same, and method of molding...
- Patent number 6,707,606
- Issue date Mar 16, 2004
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Base plate, lens sheet, and projection screen
- Patent number 6,639,736
- Issue date Oct 28, 2003
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rear projection screen with uniformity of luminance
- Patent number 6,597,502
- Issue date Jul 22, 2003
- Dai Nippon Printing Co., Ltd.
- Yoshiki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lenticular lens sheet and rear projection screen
- Patent number 6,421,181
- Issue date Jul 16, 2002
- Dai Nippon Printing Co., Ltd.
- Yoshiki Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lenticular lens sheet with both a base sheet having lenticular elem...
- Patent number 6,325,880
- Issue date Dec 4, 2001
- Dai Nippon Printing Co., Ltd.
- Yoshiyuki Yamashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Rear projection screen with uniformity of luminance
- Patent number 6,292,294
- Issue date Sep 18, 2001
- Dai Nippon Printing Co., Ltd.
- Yoshiki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lenticular lens sheet and transmission type screen using the same
- Patent number 6,169,633
- Issue date Jan 2, 2001
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- G02 - OPTICS
Information Patent Grant
Lenticular lens sheet
- Patent number 6,157,491
- Issue date Dec 5, 2000
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lenticular lens sheet with both a base sheet having lenticular elem...
- Patent number 6,130,777
- Issue date Oct 10, 2000
- Dai Nippon Printing Co., Ltd.
- Yoshiyuki Yamashita
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Lenticular lens sheet for use in rear projection television
- Patent number 5,889,613
- Issue date Mar 30, 1999
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film stretching structure
- Patent number 5,809,624
- Issue date Sep 22, 1998
- Dai Nippon Printing Co., Ltd.
- Satoshi Nakamae
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Plastic sheet manufacturing method and apparatus
- Patent number 5,759,456
- Issue date Jun 2, 1998
- Dai Nippon Printing Co, Ltd.
- Hitomu Watanabe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Projection screen
- Patent number 5,513,036
- Issue date Apr 30, 1996
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection screen
- Patent number 5,477,380
- Issue date Dec 19, 1995
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Contrast improving sheet and rear projection screen provided with t...
- Publication number 20060139749
- Publication date Jun 29, 2006
- DAI NIPPON PRINTING CO., LTD.
- Hitomu Watanabe
- G02 - OPTICS
Information Patent Application
Fresnel lens sheet and rear projection screen including the same
- Publication number 20050099687
- Publication date May 12, 2005
- Dai Nippon Printing Co., Ltd.
- Hitomu Watanabe
- G02 - OPTICS
Information Patent Application
Projection screen and projection display device
- Publication number 20050030620
- Publication date Feb 10, 2005
- DAI NIPPON PRINTING CO. LTD.
- Masahiro Goto
- G02 - OPTICS
Information Patent Application
Method and apparatus for manufacturing a lens sheet
- Publication number 20040262794
- Publication date Dec 30, 2004
- Kazuyuki Matsumoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Fresnel lens sheet and rear projection screen
- Publication number 20040196562
- Publication date Oct 7, 2004
- Dai Nippon Prtg. Co., Ltd.
- Hitomu Watanabe
- G02 - OPTICS
Information Patent Application
Base plate, lens sheet, and projection screen
- Publication number 20020171928
- Publication date Nov 21, 2002
- Hitomu Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lens sheet, projection screen using the same, and method of molding...
- Publication number 20020080482
- Publication date Jun 27, 2002
- Hitomu Watanabe
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Method and apparatus for manufacturing a lens sheet
- Publication number 20020056930
- Publication date May 16, 2002
- Kazuyuki Matsumoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Lenticular lens sheet and rear projection screen
- Publication number 20020044360
- Publication date Apr 18, 2002
- DAI NIPPON PRINTING CO. , LTD.
- Yoshiki Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Rear projection screen with uniformity of luminance
- Publication number 20010050812
- Publication date Dec 13, 2001
- DAI NIPPON PRINTING CO. , LTD.
- Yoshiki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hitomu Watanabe

Person

Patents Grantslast 30 patents

Contrast improving sheet and rear projection screen provided with t...

Projection screen and projection display

Fresnel lens sheet and rear projection screen including the same

Fresnel lens sheet and rear projection screen

Method and apparatus for manufacturing a lens sheet

Lenticular lens sheet and rear projection screen

Lens sheet, projection screen using the same, and method of molding...

Base plate, lens sheet, and projection screen

Rear projection screen with uniformity of luminance

Lenticular lens sheet and rear projection screen

Lenticular lens sheet with both a base sheet having lenticular elem...

Rear projection screen with uniformity of luminance

Lenticular lens sheet and transmission type screen using the same

Lenticular lens sheet

Lenticular lens sheet with both a base sheet having lenticular elem...

Lenticular lens sheet for use in rear projection television

Film stretching structure

Plastic sheet manufacturing method and apparatus

Projection screen

Projection screen

Patents Applicationslast 30 patents

Contrast improving sheet and rear projection screen provided with t...

Fresnel lens sheet and rear projection screen including the same

Projection screen and projection display device

Method and apparatus for manufacturing a lens sheet

Fresnel lens sheet and rear projection screen

Base plate, lens sheet, and projection screen

Lens sheet, projection screen using the same, and method of molding...

Method and apparatus for manufacturing a lens sheet

Lenticular lens sheet and rear projection screen

Rear projection screen with uniformity of luminance