Toshiaki HASHIZUME

Person

Okaya-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wavelength conversion device, light source device, and projector
- Patent number 12,072,616
- Issue date Aug 27, 2024
- Seiko Epson Corporation
- Toshiaki Hashizume
- G02 - OPTICS
Information Patent Grant
Phosphor particle, wavelength conversion element, light source devi...
- Patent number 11,868,034
- Issue date Jan 9, 2024
- Seiko Epson Corporation
- Toshiaki Hashizume
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength conversion element, light source device, projector, and...
- Patent number 11,572,502
- Issue date Feb 7, 2023
- Seiko Epson Corporation
- Toshiaki Hashizume
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Wavelength conversion element, light source device, and projector
- Patent number 11,237,469
- Issue date Feb 1, 2022
- Seiko Epson Corporation
- Toshiaki Hashizume
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength conversion element, light source device, projector, and...
- Patent number 11,172,176
- Issue date Nov 9, 2021
- Seiko Epson Corporation
- Toshiaki Hashizume
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source device and projector
- Patent number 10,942,433
- Issue date Mar 9, 2021
- Seiko Epson Corporation
- Toshiaki Hashizume
- F21 - LIGHTING
Information Patent Grant
Wavelength conversion element, light source apparatus, and projector
- Patent number 10,721,446
- Issue date Jul 21, 2020
- Seiko Epson Corporation
- Toshiaki Hashizume
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wavelength conversion element, wavelength converter, light source a...
- Patent number 10,539,862
- Issue date Jan 21, 2020
- Seiko Epson Corporation
- Toshiaki Hashizume
- 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
Wavelength conversion element, light source device, and projector
- Patent number 10,101,645
- Issue date Oct 16, 2018
- Seiko Epson Corporation
- Toshiaki Hashizume
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source apparatus and projector
- Patent number 9,964,842
- Issue date May 8, 2018
- Seiko Epson Corporation
- Toshiaki Hashizume
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source device and projector
- Patent number 9,955,129
- Issue date Apr 24, 2018
- Seiko Epson Corporation
- Toshiaki Hashizume
- G02 - OPTICS
Information Patent Grant
Fluorescence light emitting element comprising a phosphor layer inc...
- Patent number 9,475,983
- Issue date Oct 25, 2016
- Seiko Epson Corporation
- Kiyoshi Kuroi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light source apparatus that irradiates a phosphor layer with excita...
- Patent number 9,423,680
- Issue date Aug 23, 2016
- Seiko Epson Corporation
- Hidefumi Sakata
- F21 - LIGHTING
Information Patent Grant
Screen and projection system
- Patent number 8,780,444
- Issue date Jul 15, 2014
- Seiko Epson Corporation
- Osamu Arakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projector having a first light separation optical system and a seco...
- Patent number 8,714,747
- Issue date May 6, 2014
- Seiko Epson Corporation
- Koichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Refelctive front screen
- Patent number 8,654,442
- Issue date Feb 18, 2014
- Seiko Epson Corporation
- Tatsuo Uchida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projector
- Patent number RE42740
- Issue date Sep 27, 2011
- Seiko Epson Corporation
- Motoyuki Fujimori
- 353 - Optics: image projectors
Information Patent Grant
Screen
- Patent number 8,023,186
- Issue date Sep 20, 2011
- Seiko Epson Corporation
- Ryoji Katsuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing reflective mirror, illumination device, and...
- Patent number RE42515
- Issue date Jul 5, 2011
- Seiko Epson Corporation
- Toshiaki Hashizume
- 353 - Optics: image projectors
Information Patent Grant
Method of manufacturing reflective mirror, illumination device, and...
- Patent number RE41874
- Issue date Oct 26, 2010
- Seiko Epson Corporation
- Toshiaki Hashizume
- 353 - Optics: image projectors
Information Patent Grant
Projector
- Patent number RE41680
- Issue date Sep 14, 2010
- Seiko Epson Corporation
- Toshiaki Hashizume
- 353 - Optics: image projectors
Information Patent Grant
Optical device and method for manufacturing optical device
- Patent number 7,593,076
- Issue date Sep 22, 2009
- Seiko Epson Corporation
- Hiroaki Yanai
- G02 - OPTICS
Information Patent Grant
Light source device and projector
- Patent number 7,559,675
- Issue date Jul 14, 2009
- Seiko Epson Corporation
- Kentaro Yamauchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing optical element, method for manufacturing...
- Patent number 7,551,280
- Issue date Jun 23, 2009
- Seiko Epson Corporation
- Hiroaki Yanai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source device and projector
- Patent number 7,549,771
- Issue date Jun 23, 2009
- Seiko Epson Corporation
- Kentaro Yamauchi
- F21 - LIGHTING
Information Patent Grant
Projection type liquid crystal projector
- Patent number RE40296
- Issue date May 6, 2008
- Seiko Epson Corporation
- Motoyuki Fujimori
- 353 - Optics: image projectors
Information Patent Grant
Method of manufacturing reflective mirror, illumination device, and...
- Patent number 7,364,311
- Issue date Apr 29, 2008
- Seiko Epson Corporation
- Toshiaki Hashizume
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source device and projector
- Patent number 7,357,531
- Issue date Apr 15, 2008
- Seiko Epson Corporation
- Takeshi Takezawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
WAVELENGTH CONVERSION DEVICE, METHOD OF MANUFACTURING WAVELENGTH CO...
- Publication number 20240310706
- Publication date Sep 19, 2024
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ILLUMINATOR AND PROJECTOR
- Publication number 20230266653
- Publication date Aug 24, 2023
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WAVELENGTH CONVERSION DEVICE, LIGHT SOURCE DEVICE, AND PROJECTOR
- Publication number 20220308433
- Publication date Sep 29, 2022
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- G02 - OPTICS
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
- Publication number 20220291576
- Publication date Sep 15, 2022
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOSPHOR PARTICLE, WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVI...
- Publication number 20220066303
- Publication date Mar 3, 2022
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, PROJECTOR, AND...
- Publication number 20200304764
- Publication date Sep 24, 2020
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
- Publication number 20200301261
- Publication date Sep 24, 2020
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, PROJECTOR, AND...
- Publication number 20200299574
- Publication date Sep 24, 2020
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20200209723
- Publication date Jul 2, 2020
- SEIKO EPSON CORPORATION
- Toshiaki Hashizume
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
- Publication number 20190285973
- Publication date Sep 19, 2019
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE APPARATUS, AND PROJECTOR
- Publication number 20190075276
- Publication date Mar 7, 2019
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- G02 - OPTICS
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, WAVELENGTH CONVERTER, LIGHT SOURCE A...
- Publication number 20180356716
- Publication date Dec 13, 2018
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
- Publication number 20180052386
- Publication date Feb 22, 2018
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WAVELENGTH CONVERSION ELEMENT, ILLUMINATION DEVICE, PROJECTOR, AND...
- Publication number 20170168379
- Publication date Jun 15, 2017
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20160373705
- Publication date Dec 22, 2016
- SEIKO EPSON CORPORATION
- Toshiaki HASHIZUME
- G02 - OPTICS
Information Patent Application
LIGHT SOURCE APPARATUS AND PROJECTOR
- Publication number 20160091782
- Publication date Mar 31, 2016
- SEIKO EPSON CORPORATION
- Toshiaki Hashizume
- F21 - LIGHTING
Information Patent Application
FLUORESCENCE LIGHT EMITTING ELEMENT, LIGHT SOURCE DEVICE, AND PROJE...
- Publication number 20150116671
- Publication date Apr 30, 2015
- SEIKO EPSON CORPORATION
- Kiyoshi KUROI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT SOURCE APPARATUS AND PROJECTOR
- Publication number 20150029466
- Publication date Jan 29, 2015
- SEIKO EPSON CORPORATION
- Hidefumi SAKATA
- F21 - LIGHTING
Information Patent Application
SCREEN AND PROJECTION SYSTEM
- Publication number 20130170028
- Publication date Jul 4, 2013
- TOHOKU UNIVERSITY
- Osamu Arakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTOR
- Publication number 20130027670
- Publication date Jan 31, 2013
- SEIKO EPSON CORPORATION
- Koichi Akiyama
- G02 - OPTICS
Information Patent Application
REFELCTIVE FRONT SCREEN
- Publication number 20120268814
- Publication date Oct 25, 2012
- SEIKO EPSON CORPORATION
- Tatsuo UCHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SCREEN
- Publication number 20100157424
- Publication date Jun 24, 2010
- SEIKO EPSON CORPORATION
- Ryoji KATSUMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Optical Element, Method of Manufacturing the Same, and Projector
- Publication number 20080055551
- Publication date Mar 6, 2008
- SEIKO EPSON CORPORATION
- Takashi ENDO
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE AND METHOD FOR MANUFACTURING OPTICAL DEVICE
- Publication number 20070201134
- Publication date Aug 30, 2007
- SEIKO EPSON CORPORATION
- Hiroaki YANAI
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING OPTICAL ELEMENT, METHOD FOR MANUFACTURING...
- Publication number 20070199645
- Publication date Aug 30, 2007
- SEIKO EPSON CORPORATION
- Hiroaki YANAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light source device and projector
- Publication number 20070189016
- Publication date Aug 16, 2007
- SEIKO EPSON CORPORATION
- Kentaro Yamauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light source device and projector
- Publication number 20070182301
- Publication date Aug 9, 2007
- SEIKO EPSON CORPORATION
- Kentaro Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTOR AND OPTICAL PART
- Publication number 20070132954
- Publication date Jun 14, 2007
- SEIKO EPSON CORPORATION
- Hiroaki YANAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Toshiaki HASHIZUME

Person

Patents Grantslast 30 patents

Wavelength conversion device, light source device, and projector

Phosphor particle, wavelength conversion element, light source devi...

Wavelength conversion element, light source device, projector, and...

Wavelength conversion element, light source device, and projector

Wavelength conversion element, light source device, projector, and...

Light source device and projector

Wavelength conversion element, light source apparatus, and projector

Wavelength conversion element, wavelength converter, light source a...

Light source device and projector

Light source device and projector

Wavelength conversion element, light source device, and projector

Light source apparatus and projector

Light source device and projector

Fluorescence light emitting element comprising a phosphor layer inc...

Light source apparatus that irradiates a phosphor layer with excita...

Screen and projection system

Projector having a first light separation optical system and a seco...

Refelctive front screen

Projector

Screen

Method of manufacturing reflective mirror, illumination device, and...

Method of manufacturing reflective mirror, illumination device, and...

Projector

Optical device and method for manufacturing optical device

Light source device and projector

Method for manufacturing optical element, method for manufacturing...

Light source device and projector

Projection type liquid crystal projector

Method of manufacturing reflective mirror, illumination device, and...

Light source device and projector

Patents Applicationslast 30 patents

WAVELENGTH CONVERSION DEVICE, METHOD OF MANUFACTURING WAVELENGTH CO...

ILLUMINATOR AND PROJECTOR

WAVELENGTH CONVERSION DEVICE, LIGHT SOURCE DEVICE, AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR

PHOSPHOR PARTICLE, WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVI...

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, PROJECTOR, AND...

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, PROJECTOR, AND...

LIGHT SOURCE DEVICE AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE APPARATUS, AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, WAVELENGTH CONVERTER, LIGHT SOURCE A...

LIGHT SOURCE DEVICE AND PROJECTOR

LIGHT SOURCE DEVICE AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR

WAVELENGTH CONVERSION ELEMENT, ILLUMINATION DEVICE, PROJECTOR, AND...

LIGHT SOURCE DEVICE AND PROJECTOR

LIGHT SOURCE APPARATUS AND PROJECTOR

FLUORESCENCE LIGHT EMITTING ELEMENT, LIGHT SOURCE DEVICE, AND PROJE...

LIGHT SOURCE APPARATUS AND PROJECTOR

SCREEN AND PROJECTION SYSTEM

PROJECTOR

REFELCTIVE FRONT SCREEN

SCREEN

Optical Element, Method of Manufacturing the Same, and Projector

OPTICAL DEVICE AND METHOD FOR MANUFACTURING OPTICAL DEVICE

METHOD FOR MANUFACTURING OPTICAL ELEMENT, METHOD FOR MANUFACTURING...

Light source device and projector

Light source device and projector

PROJECTOR AND OPTICAL PART