Yoshiki Yoshida

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and method of correcting color misregistrat...
- Patent number 8,107,833
- Issue date Jan 31, 2012
- Ricoh Company, Ltd.
- Yoshiki Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, an optical scanning apparatus and an image...
- Patent number 7,573,494
- Issue date Aug 11, 2009
- Ricoh Company, Ltd.
- Yoshiki Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for forming images capable of reducing color r...
- Patent number 7,528,851
- Issue date May 5, 2009
- Ricoh Company, Ltd.
- Yoshiki Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus, method, and program for color image forming capable of e...
- Patent number 7,505,057
- Issue date Mar 17, 2009
- Ricoh Company, Ltd.
- Yoshiki Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fresnel lens sheet
- Patent number 7,173,761
- Issue date Feb 6, 2007
- Dai Nippon Printing Co., Ltd.
- Yoshiki Yoshida
- 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, process of producing Fresnel lens sheet, mold f...
- Patent number 6,947,225
- Issue date Sep 20, 2005
- Dai Nippon Printing Co., Ltd.
- Hiroshi Sekiguchi
- G02 - OPTICS
Information Patent Grant
Image formation apparatus and registration method
- Patent number 6,788,320
- Issue date Sep 7, 2004
- Ricoh Company, Ltd.
- Yoshiki Yoshida
- G06 - COMPUTING CALCULATING COUNTING
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
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
Compact BI-color electrophotographic image forming apparatus
- Patent number 5,376,994
- Issue date Dec 27, 1994
- Ricoh Company, Ltd.
- Takashi Mama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Bicolor image forming apparatus for forming a bicolor image on a ph...
- Patent number 5,309,182
- Issue date May 3, 1994
- Ricoh Co., Ltd.
- Takashi Mama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image data storing device for an image forming apparatus
- Patent number 5,068,676
- Issue date Nov 26, 1991
- Ricoh Company, Ltd.
- Yoshiki Yoshida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Conversion using a variable reference based on image density
- Patent number 5,027,117
- Issue date Jun 25, 1991
- Ricoh Company, Ltd.
- Yoshiki Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus and method of controlling output of semicon...
- Patent number 4,967,284
- Issue date Oct 30, 1990
- Ricoh Company, Ltd.
- Yoshiki Yoshida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Printer
- Patent number 4,933,874
- Issue date Jun 12, 1990
- Ricoh Company, Ltd.
- Kenichirou Asada
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND METHOD OF CORRECTING COLOR MISREGISTRAT...
- Publication number 20070110461
- Publication date May 17, 2007
- Yoshiki YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for forming images capable of reducing color r...
- Publication number 20060176354
- Publication date Aug 10, 2006
- Yoshiki Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus, method, and program for color image forming capable of e...
- Publication number 20060139433
- Publication date Jun 29, 2006
- Yoshiki Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fresnel lens sheet
- Publication number 20050141087
- Publication date Jun 30, 2005
- Dai Nippon Printing Co., Ltd.
- Yoshiki Yoshida
- 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
Image forming apparatus, an optical scanning apparatus and an image...
- Publication number 20040246329
- Publication date Dec 9, 2004
- Yoshiki Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fresnel lens sheet, process of producing fresnel lens sheet, mold f...
- Publication number 20040160681
- Publication date Aug 19, 2004
- Dai Nippon Prtg. Co., Ltd.
- Hiroshi Sekiguchi
- G02 - OPTICS
Information Patent Application
Image formation apparatus and resist adjusting method
- Publication number 20030063178
- Publication date Apr 3, 2003
- Yoshiki Yoshida
- G06 - COMPUTING CALCULATING COUNTING
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

Yoshiki Yoshida

Person

Patents Grantslast 30 patents

Image forming apparatus and method of correcting color misregistrat...

Image forming apparatus, an optical scanning apparatus and an image...

Method and apparatus for forming images capable of reducing color r...

Apparatus, method, and program for color image forming capable of e...

Fresnel lens sheet

Projection screen and projection display

Fresnel lens sheet, process of producing Fresnel lens sheet, mold f...

Image formation apparatus and registration method

Lenticular lens sheet and rear projection screen

Lenticular lens sheet and rear projection screen

Compact BI-color electrophotographic image forming apparatus

Bicolor image forming apparatus for forming a bicolor image on a ph...

Image data storing device for an image forming apparatus

Conversion using a variable reference based on image density

Image forming apparatus and method of controlling output of semicon...

Printer

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND METHOD OF CORRECTING COLOR MISREGISTRAT...

Method and apparatus for forming images capable of reducing color r...

Apparatus, method, and program for color image forming capable of e...

Fresnel lens sheet

Projection screen and projection display device

Image forming apparatus, an optical scanning apparatus and an image...

Fresnel lens sheet, process of producing fresnel lens sheet, mold f...

Image formation apparatus and resist adjusting method

Lenticular lens sheet and rear projection screen