Hiroyuki Hirakawa

Person

Tenri-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cell stimulation device, cell culture device, and cell stimulation...
- Patent number 11,485,950
- Issue date Nov 1, 2022
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Electron emission element, electrification apparatus, and image for...
- Patent number 10,727,021
- Issue date Jul 28, 2020
- SHARP KABUSHIKI KAISHA
- Katsumi Adachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical scanning device and image forming apparatus including the same
- Patent number 9,056,489
- Issue date Jun 16, 2015
- Kyocera Document Solutions Inc.
- Hiroyuki Hirakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus comprising the...
- Patent number 8,928,722
- Issue date Jan 6, 2015
- Kyocera Mita Corporation
- Hiroyuki Hirakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Developing device and image forming apparatus comprising same
- Patent number 8,923,723
- Issue date Dec 30, 2014
- Kyocera Document Solutions Inc.
- Hiroyuki Hirakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including louvers for directing airflow
- Patent number 8,891,998
- Issue date Nov 18, 2014
- Kyocera Document Solutions Inc.
- Hiroyuki Hirakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electron emitting element and method for producing the same
- Patent number 8,860,293
- Issue date Oct 14, 2014
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron emitting element, devices utilizing said element, and meth...
- Patent number 8,760,056
- Issue date Jun 24, 2014
- Sharp Kabushiki Kaisha
- Kanako Hirata
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Resin coated carrier, two-component developer, developing device an...
- Patent number 8,741,525
- Issue date Jun 3, 2014
- Sharp Kabushiki Kaisha
- Osamu Wada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electron emitting element, electron emitting device, light emitting...
- Patent number 8,616,931
- Issue date Dec 31, 2013
- Sharp Kabushiki Kaisha
- Ayae Nagaoka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron emitting device and driving method thereof
- Patent number 8,559,852
- Issue date Oct 15, 2013
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron emitting element, electron emitting device, light emitting...
- Patent number 8,547,007
- Issue date Oct 1, 2013
- Sharp Kabushiki Kaisha
- Ayae Nagaoka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron emitting element, method for producing electron emitting e...
- Patent number 8,487,521
- Issue date Jul 16, 2013
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electron emitting element including a fine particle layer containin...
- Patent number 8,476,818
- Issue date Jul 2, 2013
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron emitting element and method for producing the same
- Patent number 8,421,331
- Issue date Apr 16, 2013
- Sharp Kabushiki Kaisha
- Ayae Nagaoka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron emitting element for accelerating and emitting electrons,...
- Patent number 8,401,430
- Issue date Mar 19, 2013
- Sharp Kabushiki Kaisha
- Hirofumi Kanda
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron emitting element having an electron acceleration layer usi...
- Patent number 8,378,565
- Issue date Feb 19, 2013
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron emitting element having an electron acceleration layer, el...
- Patent number 8,299,700
- Issue date Oct 30, 2012
- Sharp Kabushiki Kaisha
- Tadashi Iwamatsu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron emitting element, electron emitting device, charging devic...
- Patent number 8,249,487
- Issue date Aug 21, 2012
- Sharp Kabushiki Kaisha
- Yasuo Imura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Carrier, developer, development device, image forming apparatus and...
- Patent number 8,192,908
- Issue date Jun 5, 2012
- Sharp Kabushiki Kaisha
- Takanori Kamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electron emitting element, electron emitting device, light emitting...
- Patent number 8,164,247
- Issue date Apr 24, 2012
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Light emitting element, light emitting device, image display device...
- Patent number 8,110,971
- Issue date Feb 7, 2012
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Developing device, image forming apparatus and developing method
- Patent number 7,664,438
- Issue date Feb 16, 2010
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electron emitter, charger, and charging method
- Patent number 7,515,851
- Issue date Apr 7, 2009
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Display apparatus and method for producing the same
- Patent number 7,477,442
- Issue date Jan 13, 2009
- Sharp Kabushiki Kaisha
- Tadashi Iwamatsu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electron emission device having cleaning function
- Patent number 7,317,285
- Issue date Jan 8, 2008
- Sharp Kabushiki Kaisha
- Tadashi Iwamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electron emitting element and image forming apparatus employing it
- Patent number 7,307,379
- Issue date Dec 11, 2007
- Sharp Kabushiki Kaisha
- Tadashi Iwamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development method and image formation apparatus
- Patent number 6,873,813
- Issue date Mar 29, 2005
- Sharp Kabuskiki Kaisha
- Kazuhiko Furukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development method and image formation apparatus
- Patent number 6,681,091
- Issue date Jan 20, 2004
- Sharp Kabushiki Kaisha
- Kazuhiko Furukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus having a charge amount control member
- Patent number 6,622,000
- Issue date Sep 16, 2003
- Sharp Kabushiki Kaisha
- Kazuhiko Furukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
METAL-AIR BATTERY MODULE
- Publication number 20230187736
- Publication date Jun 15, 2023
- Sharp Kabushiki Kaisha
- HIROYUKI HIRAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METAL-AIR BATTERY
- Publication number 20220294053
- Publication date Sep 15, 2022
- Sharp Kabushiki Kaisha
- FUMITOSHI SUGINO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METAL-AIR BATTERY
- Publication number 20210376334
- Publication date Dec 2, 2021
- Sharp Kabushiki Kaisha
- HIROYUKI HIRAKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CELL STIMULATION DEVICE, CELL CULTURE DEVICE, AND CELL STIMULATION...
- Publication number 20200255788
- Publication date Aug 13, 2020
- SHARP KABUSHIKI KAISHA
- HIROYUKI HIRAKAWA
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
ELECTRON EMISSION ELEMENT, ELECTRIFICATION APPARATUS, AND IMAGE FOR...
- Publication number 20190157033
- Publication date May 23, 2019
- SHARP KABUSHIKI KAISHA
- KATSUMI ADACHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20140292995
- Publication date Oct 2, 2014
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hiroyuki HIRAKAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...
- Publication number 20130257263
- Publication date Oct 3, 2013
- SHARP KABUSHIKI KAISHI
- Ayae NAGAOKA
- B82 - NANO-TECHNOLOGY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING FAN
- Publication number 20130236207
- Publication date Sep 12, 2013
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hiroyuki Hirakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS COMPRISING SAME
- Publication number 20130108310
- Publication date May 2, 2013
- KYOCERA DOCUMENT SOLUTIONS INC.
- Hiroyuki HIRAKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTRON EMITTING DEVICE AND DRIVING METHOD THEREOF
- Publication number 20120126716
- Publication date May 24, 2012
- Hiroyuki HIRAKAWA
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ELECTRON EMITTING ELEMENT, DEVICES UTILIZING SAID ELEMENT, AND METH...
- Publication number 20120074874
- Publication date Mar 29, 2012
- Kanako Hirata
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20110254431
- Publication date Oct 20, 2011
- Hiroyuki HIRAKAWA
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20110241532
- Publication date Oct 6, 2011
- Ayae Nagaoka
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME
- Publication number 20110236072
- Publication date Sep 29, 2011
- Yasuo Imura
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS COMPRISING THE...
- Publication number 20110182621
- Publication date Jul 28, 2011
- Kyocera Mita Corporation
- Hiroyuki Hirakawa
- G02 - OPTICS
Information Patent Application
ELECTRON EMITTING ELEMENT, METHOD FOR PRODUCING ELECTRON EMITTING E...
- Publication number 20110129256
- Publication date Jun 2, 2011
- Hiroyuki HIRAKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING ELECTRON EMITTIN...
- Publication number 20100327730
- Publication date Dec 30, 2010
- Hiroyuki Hirakawa
- G02 - OPTICS
Information Patent Application
HEAT EXCHANGER
- Publication number 20100307724
- Publication date Dec 9, 2010
- Yoshio Ichii
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...
- Publication number 20100296842
- Publication date Nov 25, 2010
- Yasuo IMURA
- G02 - OPTICS
Information Patent Application
ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, CHARGING DEVI...
- Publication number 20100296844
- Publication date Nov 25, 2010
- Yasuo Imura
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...
- Publication number 20100296845
- Publication date Nov 25, 2010
- Hiroyuki Hirakawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, IMAGE DISPLAY DEVICE...
- Publication number 20100295465
- Publication date Nov 25, 2010
- Hiroyuki HIRAKAWA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...
- Publication number 20100278561
- Publication date Nov 4, 2010
- Hirofumi Kanda
- G02 - OPTICS
Information Patent Application
ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...
- Publication number 20100215402
- Publication date Aug 26, 2010
- Ayae Nagaoka
- G02 - OPTICS
Information Patent Application
ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...
- Publication number 20100196050
- Publication date Aug 5, 2010
- Tadashi Iwamatsu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DEVELOPER ,DEVELOPING UNIT,DEVELOPING DEVICE,AND IMAGE FORMING APPA...
- Publication number 20100135700
- Publication date Jun 3, 2010
- Sharp Kabushiki Kaisha
- Yoshinori Mutoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MAGNETIC CARRIER, TWO COMPONENT DEVELOPER, DEVELOPING DEVICE, IMAGE...
- Publication number 20100104329
- Publication date Apr 29, 2010
- Nobuyuki Yoshioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
RESIN COATED CARRIER, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE AN...
- Publication number 20100003614
- Publication date Jan 7, 2010
- Osamu Wada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer
- Publication number 20090047594
- Publication date Feb 19, 2009
- Sharp Kabushiki Kaisha
- Hiroyuki Hirakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER, DEVELOPER, DEVELOPMENT DEVICE, IMAGE FORMING APPARATUS AND...
- Publication number 20080299471
- Publication date Dec 4, 2008
- Takanori Kamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroyuki Hirakawa

Person

Patents Grantslast 30 patents

Cell stimulation device, cell culture device, and cell stimulation...

Electron emission element, electrification apparatus, and image for...

Optical scanning device and image forming apparatus including the same

Optical scanning device and image forming apparatus comprising the...

Developing device and image forming apparatus comprising same

Image forming apparatus including louvers for directing airflow

Electron emitting element and method for producing the same

Electron emitting element, devices utilizing said element, and meth...

Resin coated carrier, two-component developer, developing device an...

Electron emitting element, electron emitting device, light emitting...

Electron emitting device and driving method thereof

Electron emitting element, electron emitting device, light emitting...

Electron emitting element, method for producing electron emitting e...

Electron emitting element including a fine particle layer containin...

Electron emitting element and method for producing the same

Electron emitting element for accelerating and emitting electrons,...

Electron emitting element having an electron acceleration layer usi...

Electron emitting element having an electron acceleration layer, el...

Electron emitting element, electron emitting device, charging devic...

Carrier, developer, development device, image forming apparatus and...

Electron emitting element, electron emitting device, light emitting...

Light emitting element, light emitting device, image display device...

Developing device, image forming apparatus and developing method

Electron emitter, charger, and charging method

Display apparatus and method for producing the same

Electron emission device having cleaning function

Electron emitting element and image forming apparatus employing it

Development method and image formation apparatus

Development method and image formation apparatus

Developing apparatus having a charge amount control member

Patents Applicationslast 30 patents

METAL-AIR BATTERY MODULE

METAL-AIR BATTERY

METAL-AIR BATTERY

CELL STIMULATION DEVICE, CELL CULTURE DEVICE, AND CELL STIMULATION...

ELECTRON EMISSION ELEMENT, ELECTRIFICATION APPARATUS, AND IMAGE FOR...

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...

IMAGE FORMING APPARATUS INCLUDING FAN

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS COMPRISING SAME

ELECTRON EMITTING DEVICE AND DRIVING METHOD THEREOF

ELECTRON EMITTING ELEMENT, DEVICES UTILIZING SAID ELEMENT, AND METH...

ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME

ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME

ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING THE SAME

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS COMPRISING THE...

ELECTRON EMITTING ELEMENT, METHOD FOR PRODUCING ELECTRON EMITTING E...

ELECTRON EMITTING ELEMENT AND METHOD FOR PRODUCING ELECTRON EMITTIN...

HEAT EXCHANGER

ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...

ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, CHARGING DEVI...

ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...

LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, IMAGE DISPLAY DEVICE...

ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...

ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...

ELECTRON EMITTING ELEMENT, ELECTRON EMITTING DEVICE, LIGHT EMITTING...

DEVELOPER ,DEVELOPING UNIT,DEVELOPING DEVICE,AND IMAGE FORMING APPA...

MAGNETIC CARRIER, TWO COMPONENT DEVELOPER, DEVELOPING DEVICE, IMAGE...

RESIN COATED CARRIER, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE AN...

Developer

CARRIER, DEVELOPER, DEVELOPMENT DEVICE, IMAGE FORMING APPARATUS AND...