Hiroshi Ikeguchi

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Powder container with a nozzle receiver
- Patent number 11,874,613
- Issue date Jan 16, 2024
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Nozzle receiver for use with a toner container
- Patent number 11,662,672
- Issue date May 30, 2023
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container including a container body, nozzle receiver, and seal
- Patent number 11,397,391
- Issue date Jul 26, 2022
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container including a nozzle receiving opening and scoop
- Patent number 11,347,163
- Issue date May 31, 2022
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container including a container body, nozzle receiver, and seal
- Patent number 11,231,661
- Issue date Jan 25, 2022
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container including a nozzle receiving opening and scoop
- Patent number 11,209,748
- Issue date Dec 28, 2021
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus
- Patent number 10,915,039
- Issue date Feb 9, 2021
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus
- Patent number 10,564,573
- Issue date Feb 18, 2020
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus
- Patent number 10,156,810
- Issue date Dec 18, 2018
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus
- Patent number 9,581,937
- Issue date Feb 28, 2017
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus
- Patent number 9,482,988
- Issue date Nov 1, 2016
- Ricoh Company, Limited
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner housing container and image forming apparatus
- Patent number 9,348,259
- Issue date May 24, 2016
- Ricoh Company, Ltd.
- Masashi Nagayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Replenishing developer housing container and image forming apparatus
- Patent number 9,261,817
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Hitoshi Iwatsuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner housing container and image forming apparatus
- Patent number 9,152,084
- Issue date Oct 6, 2015
- Ricoh Company, Ltd.
- Masana Shiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner housing container and image forming apparatus
- Patent number 9,141,031
- Issue date Sep 22, 2015
- Ricoh Company, Ltd.
- Junji Yamabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner housing container and image forming apparatus
- Patent number 9,069,288
- Issue date Jun 30, 2015
- Ricoh Company, Ltd.
- Satoshi Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, toner cartridge, drawer tray, and image forming a...
- Patent number 9,057,984
- Issue date Jun 16, 2015
- Ricoh Company, Limited
- Keiichi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, powder conveying apparatus, and image forming app...
- Patent number 8,953,986
- Issue date Feb 10, 2015
- Ricoh Company, Limited
- Keiichi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder conveying apparatus, image forming apparatus, and powder con...
- Patent number 8,849,163
- Issue date Sep 30, 2014
- Ricoh Company, Limited
- Hiroshi Ikeguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, powder conveying apparatus, and image forming app...
- Patent number 8,781,375
- Issue date Jul 15, 2014
- Ricoh Company, Limited
- Keiichi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer replenishing device, image forming apparatus, and develop...
- Patent number 8,611,794
- Issue date Dec 17, 2013
- Ricoh Company, Ltd.
- Hiroshi Ikeguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus and image forming apparatus
- Patent number 8,059,996
- Issue date Nov 15, 2011
- Ricoh Company, Limited
- Hiroshi Ikeguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for driving rotary body with mechanism for dampening fluctua...
- Patent number 7,751,746
- Issue date Jul 6, 2010
- Ricoh Company, Limited
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, and image forming apparatus and process cartridg...
- Patent number 7,480,475
- Issue date Jan 20, 2009
- Ricoh Company Limited
- Yasuo Miyoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing method, developing device, and image forming apparatus i...
- Patent number 7,359,661
- Issue date Apr 15, 2008
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus and process cartridge in...
- Patent number 7,209,685
- Issue date Apr 24, 2007
- Ricoh Company, Ltd.
- Hajime Oyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supplying device, developing roller, developing device, i...
- Patent number 7,181,155
- Issue date Feb 20, 2007
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of reducing mechanic...
- Patent number 7,099,611
- Issue date Aug 29, 2006
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus, and process cartridge
- Patent number 7,035,575
- Issue date Apr 25, 2006
- Ricoh Company, Ltd.
- Hiroshi Ikeguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having a developer carrier including main and aux...
- Patent number 6,792,234
- Issue date Sep 14, 2004
- Ricoh Company, Ltd.
- Hiroshi Ikeguchi
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
POWDER CONTAINER WITH A NOZZLE RECEIVER
- Publication number 20230375959
- Publication date Nov 23, 2023
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER WITH A NOZZLE RECEIVER
- Publication number 20220244661
- Publication date Aug 4, 2022
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NOZZLE RECEIVER FOR USE WITH A TONER CONTAINER
- Publication number 20210405553
- Publication date Dec 30, 2021
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER INCLUDING A CONTAINER BODY, NOZZLE RECEIVER, AND SEAL
- Publication number 20210364947
- Publication date Nov 25, 2021
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER INCLUDING A NOZZLE RECEIVING OPENING AND SCOOP
- Publication number 20210349411
- Publication date Nov 11, 2021
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20210116840
- Publication date Apr 22, 2021
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Powder Container Including A Nozzle Receiving Opening and Scoop
- Publication number 20210116839
- Publication date Apr 22, 2021
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20200142331
- Publication date May 7, 2020
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20190079432
- Publication date Mar 14, 2019
- RICOH COMPANY, LTD.
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20170108799
- Publication date Apr 20, 2017
- RICOH COMPANY, LIMITED
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20160161885
- Publication date Jun 9, 2016
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20140348545
- Publication date Nov 27, 2014
- RICOH COMPANY, LTD.
- Masana Shiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20140348550
- Publication date Nov 27, 2014
- RICOH COMPANY, LTD.
- Masashi NAGAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20140348551
- Publication date Nov 27, 2014
- Junji Yamabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
REPLENISHING DEVELOPER HOUSING CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20140348552
- Publication date Nov 27, 2014
- RICOH COMPANY, LTD.
- Hitoshi Iwatsuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20140348546
- Publication date Nov 27, 2014
- RICOH COMPANY, LTD.
- Satoshi Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20140270859
- Publication date Sep 18, 2014
- Hiroshi HOSOKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, POWDER CONVEYING APPARATUS, AND IMAGE FORMING APP...
- Publication number 20130039678
- Publication date Feb 14, 2013
- Keiichi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, TONER CARTRIDGE, DRAWER TRAY, AND IMAGE FORMING A...
- Publication number 20120219318
- Publication date Aug 30, 2012
- Keiichi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONVEYING APPARATUS, IMAGE FORMING APPARATUS, AND POWDER CON...
- Publication number 20120177414
- Publication date Jul 12, 2012
- Hiroshi Ikeguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, POWDER CONVEYING APPARATUS, AND IMAGE FORMING APP...
- Publication number 20120099902
- Publication date Apr 26, 2012
- Keiichi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER REPLENISHING DEVICE, IMAGE FORMING APPARATUS, AND DEVELOP...
- Publication number 20110200365
- Publication date Aug 18, 2011
- Hiroshi IKEGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20090324301
- Publication date Dec 31, 2009
- Hiroshi Ikeguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Driving device or image forming apparatus
- Publication number 20080261768
- Publication date Oct 23, 2008
- Ricoh Company, Limited
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device, and image forming apparatus and process cartridg...
- Publication number 20060198663
- Publication date Sep 7, 2006
- Yasuo Miyoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device, image forming apparatus and process cartridge
- Publication number 20060008297
- Publication date Jan 12, 2006
- Hajime Oyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer supplying device, developing roller, developing device, i...
- Publication number 20060002744
- Publication date Jan 5, 2006
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing method, developing device, and image forming apparatus i...
- Publication number 20050191095
- Publication date Sep 1, 2005
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device, image forming apparatus, and process cartridge
- Publication number 20050002701
- Publication date Jan 6, 2005
- Hiroshi Ikeguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming capable of reducing mechanic...
- Publication number 20040223792
- Publication date Nov 11, 2004
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiroshi Ikeguchi

Person

Patents Grantslast 30 patents

Powder container with a nozzle receiver

Nozzle receiver for use with a toner container

Powder container including a container body, nozzle receiver, and seal

Powder container including a nozzle receiving opening and scoop

Powder container including a container body, nozzle receiver, and seal

Powder container including a nozzle receiving opening and scoop

Powder container and image forming apparatus

Powder container and image forming apparatus

Powder container and image forming apparatus

Powder container and image forming apparatus

Powder container and image forming apparatus

Toner housing container and image forming apparatus

Replenishing developer housing container and image forming apparatus

Toner housing container and image forming apparatus

Toner housing container and image forming apparatus

Toner housing container and image forming apparatus

Powder container, toner cartridge, drawer tray, and image forming a...

Powder container, powder conveying apparatus, and image forming app...

Powder conveying apparatus, image forming apparatus, and powder con...

Powder container, powder conveying apparatus, and image forming app...

Developer replenishing device, image forming apparatus, and develop...

Developing apparatus and image forming apparatus

Device for driving rotary body with mechanism for dampening fluctua...

Developing device, and image forming apparatus and process cartridg...

Developing method, developing device, and image forming apparatus i...

Developing device, image forming apparatus and process cartridge in...

Developer supplying device, developing roller, developing device, i...

Method and apparatus for image forming capable of reducing mechanic...

Developing device, image forming apparatus, and process cartridge

Developing device having a developer carrier including main and aux...

Patents Applicationslast 30 patents

POWDER CONTAINER WITH A NOZZLE RECEIVER

POWDER CONTAINER WITH A NOZZLE RECEIVER

NOZZLE RECEIVER FOR USE WITH A TONER CONTAINER

POWDER CONTAINER INCLUDING A CONTAINER BODY, NOZZLE RECEIVER, AND SEAL

POWDER CONTAINER INCLUDING A NOZZLE RECEIVING OPENING AND SCOOP

POWDER CONTAINER AND IMAGE FORMING APPARATUS

Powder Container Including A Nozzle Receiving Opening and Scoop

POWDER CONTAINER AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS

TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS

TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS

REPLENISHING DEVELOPER HOUSING CONTAINER AND IMAGE FORMING APPARATUS

TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

POWDER CONTAINER, POWDER CONVEYING APPARATUS, AND IMAGE FORMING APP...

POWDER CONTAINER, TONER CARTRIDGE, DRAWER TRAY, AND IMAGE FORMING A...

POWDER CONVEYING APPARATUS, IMAGE FORMING APPARATUS, AND POWDER CON...

POWDER CONTAINER, POWDER CONVEYING APPARATUS, AND IMAGE FORMING APP...

DEVELOPER REPLENISHING DEVICE, IMAGE FORMING APPARATUS, AND DEVELOP...

DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS

Driving device or image forming apparatus

Developing device, and image forming apparatus and process cartridg...

Developing device, image forming apparatus and process cartridge

Developer supplying device, developing roller, developing device, i...

Developing method, developing device, and image forming apparatus i...

Developing device, image forming apparatus, and process cartridge

Method and apparatus for image forming capable of reducing mechanic...