Ryuta KOIZUMI

Person

Shiojiri-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Projector
- Patent number 11,762,271
- Issue date Sep 19, 2023
- Seiko Epson Corporation
- Junichi Wakabayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Illuminator and projector
- Patent number 11,703,750
- Issue date Jul 18, 2023
- Seiko Epson Corporation
- Mizuha Hiroki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source apparatus and projector
- Patent number 11,614,679
- Issue date Mar 28, 2023
- Seiko Epson Corporation
- Ryuta Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Illuminator and projector
- Patent number 11,614,680
- Issue date Mar 28, 2023
- Seiko Epson Corporation
- Ryuta Koizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength conversion element, illumination device, and projector
- Patent number 11,366,377
- Issue date Jun 21, 2022
- Seiko Epson Corporation
- Koya Shiratori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength conversion element, light source device, and projector
- Patent number 11,336,875
- Issue date May 17, 2022
- Seiko Epson Corporation
- Shinichi Yotsuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projector
- Patent number 10,845,684
- Issue date Nov 24, 2020
- Seiko Epson Corporation
- Yoshiyuki Yanagisawa
- G02 - OPTICS
Information Patent Grant
Projector
- Patent number 10,542,241
- Issue date Jan 21, 2020
- Seiko Epson Corporation
- Ryuta Koizumi
- G02 - OPTICS
Information Patent Grant
Light source device and projector
- Patent number 10,379,284
- Issue date Aug 13, 2019
- Seiko Epson Corporation
- Ryuta Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source device and projector
- Patent number 10,261,402
- Issue date Apr 16, 2019
- Seiko Epson Corporation
- Ryuta Koizumi
- G02 - OPTICS
Information Patent Grant
Exposure head and image forming apparatus with light emitting eleme...
- Patent number 8,405,700
- Issue date Mar 26, 2013
- Seiko Epson Corporation
- Ryuta Koizumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Exposure head and image forming apparatus
- Patent number 8,355,185
- Issue date Jan 15, 2013
- Seiko Epson Corporation
- Takeshi Sowa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line head and an image forming apparatus using such a line head
- Patent number 8,300,076
- Issue date Oct 30, 2012
- Seiko Epson Corporation
- Yujiro Nomura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Lens array, an exposure head and an image forming apparatus
- Patent number 8,274,741
- Issue date Sep 25, 2012
- Seiko Epson Corporation
- Ryuta Koizumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line head and image forming apparatus
- Patent number 8,194,112
- Issue date Jun 5, 2012
- Seiko Epson Corporation
- Takeshi Sowa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line head and image forming apparatus using the same
- Patent number 8,194,106
- Issue date Jun 5, 2012
- Seiko Epson Corporation
- Yujiro Nomura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line head and image forming apparatus
- Patent number 8,184,140
- Issue date May 22, 2012
- Seiko Epson Corporation
- Takeshi Sowa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming device that detects a moving time of a latent image c...
- Patent number 8,179,413
- Issue date May 15, 2012
- Seiko Epson Corporation
- Yujiro Nomura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Exposure head and an image forming apparatus
- Patent number 8,120,635
- Issue date Feb 21, 2012
- Seiko Epson Corporation
- Ryuta Koizumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line head and image forming apparatus using the same
- Patent number 8,089,695
- Issue date Jan 3, 2012
- Seiko Epson Corporation
- Takeshi Sowa
- G02 - OPTICS
Information Patent Grant
Line head and image forming apparatus using the same
- Patent number 8,022,975
- Issue date Sep 20, 2011
- Seiko Epson Corporation
- Takeshi Sowa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line head and an image forming apparatus using the line head
- Patent number 8,004,549
- Issue date Aug 23, 2011
- Seiko Epson Corporation
- Yujiro Nomura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Lens array, exposure head, and image forming apparatus
- Patent number 7,952,601
- Issue date May 31, 2011
- Seiko Epson Corporation
- Ryuta Koizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure head, a method of controlling an exposure head and an imag...
- Patent number 7,916,163
- Issue date Mar 29, 2011
- Seiko Epson Corporation
- Ryuta Koizumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Lens array for a line head, a line head and an image forming apparatus
- Patent number 7,889,222
- Issue date Feb 15, 2011
- Seiko Epson Corporation
- Ryuta Koizumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Lens array, an exposure head and an image forming apparatus
- Patent number 7,848,023
- Issue date Dec 7, 2010
- Seiko Epson Corporation
- Ryuta Koizumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line head and an image forming apparatus using the line head
- Patent number 7,808,519
- Issue date Oct 5, 2010
- Seiko Epson Corporation
- Yujiro Nomura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line head and an image forming apparatus using such a line head
- Patent number 7,733,364
- Issue date Jun 8, 2010
- Seiko Epson Corporation
- Yujiro Nomura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Line head and image forming device using the same
- Patent number 7,733,363
- Issue date Jun 8, 2010
- Seiko Epson Corporation
- Takeshi Sowa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Line head and imaging apparatus incorporating the same
- Patent number 7,719,560
- Issue date May 18, 2010
- Seiko Epson Corporation
- Ryuta Koizumi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
PROJECTOR
- Publication number 20220308437
- Publication date Sep 29, 2022
- SEIKO EPSON CORPORATION
- Junichi WAKABAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ILLUMINATOR AND PROJECTOR
- Publication number 20220299854
- Publication date Sep 22, 2022
- SEIKO EPSON CORPORATION
- Mizuha HIROKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ILLUMINATOR AND PROJECTOR
- Publication number 20210382382
- Publication date Dec 9, 2021
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ILLUMINATOR AND PROJECTOR
- Publication number 20210382383
- Publication date Dec 9, 2021
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE APPARATUS AND PROJECTOR
- Publication number 20210382380
- Publication date Dec 9, 2021
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, ILLUMINATION DEVICE, AND PROJECTOR
- Publication number 20210294192
- Publication date Sep 23, 2021
- SEIKO EPSON CORPORATION
- Koya SHIRATORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
- Publication number 20210297641
- Publication date Sep 23, 2021
- SEIKO EPSON CORPORATION
- Shinichi Yotsuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROJECTOR
- Publication number 20190268578
- Publication date Aug 29, 2019
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTOR
- Publication number 20190094669
- Publication date Mar 28, 2019
- SEIKO EPSON CORPORATION
- Yoshiyuki YANAGISAWA
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20180284583
- Publication date Oct 4, 2018
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20180284340
- Publication date Oct 4, 2018
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EXPOSURE HEAD AND IMAGE FORMING APPARATUS
- Publication number 20110242262
- Publication date Oct 6, 2011
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
EXPOSURE HEAD AND IMAGE FORMING APPARATUS
- Publication number 20110129245
- Publication date Jun 2, 2011
- SEIKO EPSON CORPORATION
- Takeshi SOWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
EXPOSURE HEAD AND IMAGE FORMING APPARATUS
- Publication number 20110128594
- Publication date Jun 2, 2011
- SEIKO EPSON CORPORATION
- Takeshi SOWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Image Forming Device and Image Forming Method
- Publication number 20110123210
- Publication date May 26, 2011
- SEIKO EPSON CORPORATION
- Yujiro NOMURA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Lens Array, An Exposure Head and an Image Forming Apparatus
- Publication number 20110043593
- Publication date Feb 24, 2011
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- G02 - OPTICS
Information Patent Application
Line Head and an Image Forming Apparatus Using the Line Head
- Publication number 20100329744
- Publication date Dec 30, 2010
- SEIKO EPSON CORPORATION
- Yujiro NOMURA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Line Head and an Image Forming Apparatus Using Such a Line Head
- Publication number 20100201778
- Publication date Aug 12, 2010
- SEIKO EPSON CORPORATION
- Yujiro NOMURA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Line Head and Image Forming Apparatus
- Publication number 20100183336
- Publication date Jul 22, 2010
- SEIKO EPSON CORPORATION
- Takeshi SOWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Line Head and Image Forming Apparatus
- Publication number 20100183338
- Publication date Jul 22, 2010
- SEIKO EPSON CORPORATION
- Takeshi SOWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Exposure Head and Image Forming Apparatus
- Publication number 20100134586
- Publication date Jun 3, 2010
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Line Head and Image Forming Apparatus Using the Same
- Publication number 20100039489
- Publication date Feb 18, 2010
- SEIKO EPSON CORPORATION
- Yujiro NOMURA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Lens Array for a Line Head, a Line Head and an Image Forming Apparatus
- Publication number 20090195634
- Publication date Aug 6, 2009
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Lens Array, Exposure Head, and Image Forming Apparatus
- Publication number 20090189970
- Publication date Jul 30, 2009
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lens Array, an Exposure Head and an Image Forming Apparatus
- Publication number 20090190228
- Publication date Jul 30, 2009
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- G02 - OPTICS
Information Patent Application
Exposure Head and an Image Forming Apparatus
- Publication number 20090185277
- Publication date Jul 23, 2009
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- G02 - OPTICS
Information Patent Application
Lens Array, Exposure Head, and Image Forming Apparatus
- Publication number 20090185828
- Publication date Jul 23, 2009
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- G02 - OPTICS
Information Patent Application
Exposure Head, A Method Of Controlling An Exposure Head And An Imag...
- Publication number 20090153642
- Publication date Jun 18, 2009
- SEIKO EPSON CORPORATION
- Ryuta KOIZUMI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Image Forming Device and Image Forming Method
- Publication number 20090153643
- Publication date Jun 18, 2009
- SEIKO EPSON CORPORATION
- Yujiro NOMURA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Line Head and Image Forming Apparatus Using the Same
- Publication number 20090091611
- Publication date Apr 9, 2009
- SEIKO EPSON CORPORATION
- Takeshi SOWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Ryuta KOIZUMI

Person

Patents Grantslast 30 patents

Projector

Illuminator and projector

Light source apparatus and projector

Illuminator and projector

Wavelength conversion element, illumination device, and projector

Wavelength conversion element, light source device, and projector

Projector

Projector

Light source device and projector

Light source device and projector

Exposure head and image forming apparatus with light emitting eleme...

Exposure head and image forming apparatus

Line head and an image forming apparatus using such a line head

Lens array, an exposure head and an image forming apparatus

Line head and image forming apparatus

Line head and image forming apparatus using the same

Line head and image forming apparatus

Image forming device that detects a moving time of a latent image c...

Exposure head and an image forming apparatus

Line head and image forming apparatus using the same

Line head and image forming apparatus using the same

Line head and an image forming apparatus using the line head

Lens array, exposure head, and image forming apparatus

Exposure head, a method of controlling an exposure head and an imag...

Lens array for a line head, a line head and an image forming apparatus

Lens array, an exposure head and an image forming apparatus

Line head and an image forming apparatus using the line head

Line head and an image forming apparatus using such a line head

Line head and image forming device using the same

Line head and imaging apparatus incorporating the same

Patents Applicationslast 30 patents

PROJECTOR

ILLUMINATOR AND PROJECTOR

ILLUMINATOR AND PROJECTOR

ILLUMINATOR AND PROJECTOR

LIGHT SOURCE APPARATUS AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, ILLUMINATION DEVICE, AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR

PROJECTOR

PROJECTOR

LIGHT SOURCE DEVICE AND PROJECTOR

LIGHT SOURCE DEVICE AND PROJECTOR

EXPOSURE HEAD AND IMAGE FORMING APPARATUS

EXPOSURE HEAD AND IMAGE FORMING APPARATUS

EXPOSURE HEAD AND IMAGE FORMING APPARATUS

Image Forming Device and Image Forming Method

Lens Array, An Exposure Head and an Image Forming Apparatus

Line Head and an Image Forming Apparatus Using the Line Head

Line Head and an Image Forming Apparatus Using Such a Line Head

Line Head and Image Forming Apparatus

Line Head and Image Forming Apparatus

Exposure Head and Image Forming Apparatus

Line Head and Image Forming Apparatus Using the Same

Lens Array for a Line Head, a Line Head and an Image Forming Apparatus

Lens Array, Exposure Head, and Image Forming Apparatus

Lens Array, an Exposure Head and an Image Forming Apparatus

Exposure Head and an Image Forming Apparatus

Lens Array, Exposure Head, and Image Forming Apparatus

Exposure Head, A Method Of Controlling An Exposure Head And An Imag...

Image Forming Device and Image Forming Method

Line Head and Image Forming Apparatus Using the Same