Kazuya Koyama

Person

Ikoma-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner cartridge and image forming apparatus
- Patent number 8,155,569
- Issue date Apr 10, 2012
- Sharp Kabushiki Kaisha
- Yoshihiro Yoshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supplying apparatus
- Patent number 7,822,369
- Issue date Oct 26, 2010
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container
- Patent number 7,711,293
- Issue date May 4, 2010
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supply device and developing unit using the same for use in a...
- Patent number 7,676,183
- Issue date Mar 9, 2010
- Sharp Kabushiki Kaisha
- Takahiko Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container and image forming apparatus including same
- Patent number 7,676,185
- Issue date Mar 9, 2010
- Sharp Kabushiki Kaisha
- Akiko Tsuji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container and toner supply device unit using the same
- Patent number 7,672,609
- Issue date Mar 2, 2010
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus for stirring and supplying developer uniformly...
- Patent number 7,647,009
- Issue date Jan 12, 2010
- Sharp Kabushiki Kaisha
- Masanobu Deguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container and toner supply device using the same
- Patent number 7,606,518
- Issue date Oct 20, 2009
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supplying apparatus
- Patent number 7,599,648
- Issue date Oct 6, 2009
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supplying apparatus with developer container supporting body
- Patent number 7,561,821
- Issue date Jul 14, 2009
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container and image forming apparatus
- Patent number 7,548,714
- Issue date Jun 16, 2009
- Sharp Kabushiki Kaisha
- Hitoshi Nagahama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container and image forming apparatus
- Patent number 7,522,866
- Issue date Apr 21, 2009
- Sharp Kabushiki Kaisha
- Masanobu Deguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supply device and developing unit using the same
- Patent number 7,515,853
- Issue date Apr 7, 2009
- Sharp Kabushiki Kaisha
- Takahiko Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge and image forming apparatus to be mounted with the...
- Patent number 7,486,915
- Issue date Feb 3, 2009
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, content measurement method, and method of...
- Patent number 7,346,285
- Issue date Mar 18, 2008
- Sharp Kabushiki Kaisha
- Hitoshi Nagahama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supply device and image forming apparatus including the same
- Patent number 7,295,798
- Issue date Nov 13, 2007
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container and image forming apparatus
- Patent number 7,218,866
- Issue date May 15, 2007
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supply device containing a stopping member which moves in...
- Patent number 7,174,120
- Issue date Feb 6, 2007
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container and image forming apparatus
- Patent number 7,130,566
- Issue date Oct 31, 2006
- Sharp Kabusiki Kaisha
- Hitoshi Nagahama
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developer container and image forming apparatus
- Patent number 7,035,574
- Issue date Apr 25, 2006
- Sharp Kabushiki Kaisha
- Masanobu Deguchi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developer container and image forming apparatus
- Patent number 7,024,135
- Issue date Apr 4, 2006
- Sharp Kabushiki Kaisha
- Hitoshi Nagahama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ink jet head allowing highly dense arrangement of nozzles
- Patent number 6,471,341
- Issue date Oct 29, 2002
- Sharp Kabushiki Kaisha
- Hisashi Yoshimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Serial printer adjusting record displacement caused by transport of...
- Patent number 6,439,684
- Issue date Aug 27, 2002
- Sharp Kabushiki Kaisha
- Hisashi Yoshimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink drier and ink jet type image forming apparatus mounting the same
- Patent number 6,406,141
- Issue date Jun 18, 2002
- Sharp Kabushiki Kaisha
- Hisasi Yosimura
- F26 - DRYING
Information Patent Grant
Ink cartridge of an ink jet printer and an ink jet printer includin...
- Patent number 6,286,921
- Issue date Sep 11, 2001
- Sharp Kabushiki Kaisha
- Norihiro Ochi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording device
- Patent number 6,024,433
- Issue date Feb 15, 2000
- Sharp Kabushiki Kaisha
- Kohji Tsurui
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording device with detachable ink cartridge and ink cart...
- Patent number 5,969,737
- Issue date Oct 19, 1999
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet head utilizing electroviscous fluid for control of ink disc...
- Patent number 5,903,291
- Issue date May 11, 1999
- Sharp Kabushiki Kaisha
- Hisashi Yoshimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recording head with stacked individual head members and a m...
- Patent number 5,872,580
- Issue date Feb 16, 1999
- Sharp Kabushiki Kaisha
- Norihiro Ochi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet recorder capable of reliably sealing ink jet nozzle
- Patent number 5,648,803
- Issue date Jul 15, 1997
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
TONER CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20090162107
- Publication date Jun 25, 2009
- Yoshihiro YOSHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20080102397
- Publication date May 1, 2008
- Akiko TSUJI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner container and toner supply device using the same
- Publication number 20070217826
- Publication date Sep 20, 2007
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner container and toner loading method
- Publication number 20070206975
- Publication date Sep 6, 2007
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner container and toner supply device unit using the same
- Publication number 20070172252
- Publication date Jul 26, 2007
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner supply device and developing unit using the same
- Publication number 20070147899
- Publication date Jun 28, 2007
- Sharp Kabushiki Kaisha
- Takahiko Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner supply device and developing unit using the same
- Publication number 20070147901
- Publication date Jun 28, 2007
- Sharp Kabushiki Kaisha
- Takahiko Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer supplying apparatus
- Publication number 20070092302
- Publication date Apr 26, 2007
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer supplying apparatus
- Publication number 20070081834
- Publication date Apr 12, 2007
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer supplying apparatus
- Publication number 20070081833
- Publication date Apr 12, 2007
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing apparatus
- Publication number 20060239718
- Publication date Oct 26, 2006
- Sharp Kabushiki Kaisha
- Masanobu Deguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner cartridge and image forming apparatus to be mounted with the...
- Publication number 20060182469
- Publication date Aug 17, 2006
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer container and image forming apparatus
- Publication number 20060147228
- Publication date Jul 6, 2006
- Hitoshi Nagahama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer receiving vessel and image forming device
- Publication number 20060133856
- Publication date Jun 22, 2006
- Masanobu Deguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, content measurement method, and method of...
- Publication number 20060029406
- Publication date Feb 9, 2006
- Sharp Kabushiki Kaisha
- Hitoshi Nagahama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer supply device and image forming apparatus including the same
- Publication number 20060008298
- Publication date Jan 12, 2006
- Sharp Kabushiki Kaisha
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer container and image forming apparatus
- Publication number 20050265752
- Publication date Dec 1, 2005
- Hitoshi Nagahama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer supply device and image forming apparatus including the same
- Publication number 20050123323
- Publication date Jun 9, 2005
- Kazuya Koyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer container and image forming apparatus
- Publication number 20050058471
- Publication date Mar 17, 2005
- Sharp Kabushiki Kaisha
- Hitoshi Nagahama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer container and image forming apparatus
- Publication number 20040253006
- Publication date Dec 16, 2004
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer container and image forming apparatus
- Publication number 20040240908
- Publication date Dec 2, 2004
- Masanobu Deguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Serial printer adjusting record displacement caused by transport of...
- Publication number 20020175966
- Publication date Nov 28, 2002
- Sharp Kabushiki Kaisha
- Hisashi Yoshimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink drier and ink jet type image forming apparatus mounting the same
- Publication number 20010015746
- Publication date Aug 23, 2001
- Hisasi Yosimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Kazuya Koyama

Person

Patents Grantslast 30 patents

Toner cartridge and image forming apparatus

Developer supplying apparatus

Toner container

Toner supply device and developing unit using the same for use in a...

Toner container and image forming apparatus including same

Toner container and toner supply device unit using the same

Developing apparatus for stirring and supplying developer uniformly...

Toner container and toner supply device using the same

Developer supplying apparatus

Developer supplying apparatus with developer container supporting body

Developer container and image forming apparatus

Developer container and image forming apparatus

Toner supply device and developing unit using the same

Toner cartridge and image forming apparatus to be mounted with the...

Image forming apparatus, content measurement method, and method of...

Developer supply device and image forming apparatus including the same

Developer container and image forming apparatus

Developer supply device containing a stopping member which moves in...

Developer container and image forming apparatus

Developer container and image forming apparatus

Developer container and image forming apparatus

Ink jet head allowing highly dense arrangement of nozzles

Serial printer adjusting record displacement caused by transport of...

Ink drier and ink jet type image forming apparatus mounting the same

Ink cartridge of an ink jet printer and an ink jet printer includin...

Ink jet recording device

Ink jet recording device with detachable ink cartridge and ink cart...

Ink jet head utilizing electroviscous fluid for control of ink disc...

Ink jet recording head with stacked individual head members and a m...

Ink jet recorder capable of reliably sealing ink jet nozzle

Patents Applicationslast 30 patents

TONER CARTRIDGE AND IMAGE FORMING APPARATUS

TONER CONTAINER AND IMAGE FORMING APPARATUS INCLUDING SAME

Toner container and toner supply device using the same

Toner container and toner loading method

Toner container and toner supply device unit using the same

Toner supply device and developing unit using the same

Toner supply device and developing unit using the same

Developer supplying apparatus

Developer supplying apparatus

Developer supplying apparatus

Developing apparatus

Toner cartridge and image forming apparatus to be mounted with the...

Developer container and image forming apparatus

Developer receiving vessel and image forming device

Image forming apparatus, content measurement method, and method of...

Developer supply device and image forming apparatus including the same

Developer container and image forming apparatus

Developer supply device and image forming apparatus including the same

Developer container and image forming apparatus

Developer container and image forming apparatus

Developer container and image forming apparatus

Serial printer adjusting record displacement caused by transport of...

Ink drier and ink jet type image forming apparatus mounting the same