Karakama; Toshiyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Karakama; Toshiyuki.The latest application filed is for "cartridge and image forming apparatus".

Company Profile

0.74.30

Karakama; Toshiyuki - Tokyo JP
Karakama; Toshiyuki - Susono JP
Karakama; Toshiyuki - Susono-shi JP
Karakama; Toshiyuki - Shizuoka JP
Karakama; Toshiyuki - Shizuoka-Ken JP
Karakama; Toshiyuki - Suntoh-gun JP
Karakama; Toshiyuki - Sunto-gun JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Cartridge with restriction member for restricting relative movement of toner cartridge and process cartridge Grant 10,353,339 - Koishi , et al. July 16, 2	2019-07-16
Cartridge And Image Forming Apparatus App 20180253057 - Koishi; Isao ; et al.	2018-09-06
Cartridge and electrophotographic image forming apparatus Grant 7,912,404 - Hoshi , et al. March 22, 2	2011-03-22
Cartridge And Electrophotographic Image Forming Apparatus App 20080145095 - Hoshi; Nobuharu ; et al.	2008-06-19
Disassembling tool for process cartridge Grant 7,296,341 - Kikuchi , et al. November 20, 2	2007-11-20
Process cartridge remanufacturing method Grant 7,266,326 - Karakama , et al. September 4, 2	2007-09-04
Process cartridge having electrical contact connectable to electrical contact in electrophotographic image forming apparatus Grant 7,136,604 - Chadani , et al. November 14, 2	2006-11-14
Process cartridge and electrophotographic image-forming apparatus Grant 7,120,374 - Karakama , et al. October 10, 2	2006-10-10
Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame Grant 7,095,967 - Karakama , et al. August 22, 2	2006-08-22
Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus Grant 7,082,276 - Karakama , et al. July 25, 2	2006-07-25
Disassembling tool for process cartridge Grant 7,073,251 - Kikuchi , et al. July 11, 2	2006-07-11
Image forming apparatus Grant D524,359 - Karakama , et al. July 4, 2	2006-07-04
Process cartridge assembling method, process cartridge remanufacturing method, and connecting member Grant 7,024,131 - Komatsu , et al. April 4, 2	2006-04-04
Process cartridge and image forming apparatus Grant 6,987,938 - Murakami , et al. January 17, 2	2006-01-17
Disassembling tool for process cartridge App 20050283973 - Kikuchi, Ken ; et al.	2005-12-29
Process cartridge remanufacturing method App 20050232654 - Karakama, Toshiyuki ; et al.	2005-10-20
Image forming apparatus Grant D509,533 - Karakama , et al. September 13, 2	2005-09-13
Unit detachably mountable to electrophotographic image forming apparatus and electrophotographic image forming apparatus App 20050176299 - Chadani, Kazuo ; et al.	2005-08-11
Process cartridge and electrophotographic image forming apparatus Grant 6,898,392 - Karakama , et al. May 24, 2	2005-05-24
Developing device, a process cartridge, and an electrophotographic image forming apparatus for detecting an amount of developer Grant 6,892,035 - Matsumoto , et al. May 10, 2	2005-05-10
Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame Grant 6,859,627 - Karakama , et al. February 22, 2	2005-02-22
Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame App 20050025508 - Karakama, Toshiyuki ; et al.	2005-02-03
Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus App 20050019061 - Karakama, Toshiyuki ; et al.	2005-01-27
Image forming apparatus Grant D500,515 - Karakama , et al. January 4, 2	2005-01-04
Image forming apparatus Grant D500,335 - Karakama , et al. December 28, 2	2004-12-28
Cleaning apparatus having a cleaning member, a cleaning frame, and a connecting portion connecting both end surfaces of the frame Grant 6,836,639 - Karakama , et al. December 28, 2	2004-12-28
Memory member, unit, process cartridge and electrophotographic image forming apparatus Grant 6,832,056 - Watanabe , et al. December 14, 2	2004-12-14
Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus Grant 6,826,380 - Karakama , et al. November 30, 2	2004-11-30
Process cartridge and electrophotographic image-forming apparatus App 20040234293 - Karakama, Toshiyuki ; et al.	2004-11-25
Process Cartridge Comprising Grounding, Charging Bias, And Developing Bias Contacts And Input And Output Contacts, And Electrophotographic Image Forming Apparatus To Which The Process Cartridge Is Detachably Mountable Grant 6,804,475 - Oguma , et al. October 12, 2	2004-10-12
Electrophotographic image forming apparatus and process cartridges Grant 6,804,483 - Yokoi , et al. October 12, 2	2004-10-12
Process cartridge and image forming apparatus App 20040190933 - Murakami, Ryuta ; et al.	2004-09-30
Image forming apparatus and process cartridge mountable therein in which a gap exists between a main assembly antenna of the apparatus and a memory antenna of the process cartridge mounted thereon Grant 6,782,222 - Ito , et al. August 24, 2	2004-08-24
Memory member, unit, process cartridge and electrophotographic image forming apparatus Grant 6,782,213 - Watanabe , et al. August 24, 2	2004-08-24
Process cartridge assembling method, process cartridge remanufacturing method, and connecting member App 20040136746 - Komatsu, Noriyuki ; et al.	2004-07-15
Image forming apparatus Grant D492,958 - Karakama , et al. July 13, 2	2004-07-13
Process cartridge including convex and concave portions and electrophotographic image forming apparatus to which such a process cartridge is detachably mountable Grant 6,738,589 - Karakama , et al. May 18, 2	2004-05-18
Disassembling tool for process cartridge App 20040045156 - Kikuchi, Ken ; et al.	2004-03-11
Developing device, process cartridge and electrophotographic image forming apparatus Grant 6,704,525 - Oguma , et al. March 9, 2	2004-03-09
Memory member, unit, process cartridge and electrophotographic image forming apparatus Grant 6,701,107 - Karakama , et al. March 2, 2	2004-03-02
Memory member, unit, process cartridge and electrophotographic image forming apparatus Grant 6,697,578 - Watanabe , et al. February 24, 2	2004-02-24
Process cartridge and electrophotographic image forming apparatus Grant 6,658,224 - Yokoi , et al. December 2, 2	2003-12-02
Process cartridge detachable from electrophotographic image forming apparatus having wireless communication Grant 6,654,567 - Karakama , et al. November 25, 2	2003-11-25
Information storing medium, unit, process cartridge, developing cartridge, and electrophotographic image forming apparatus App 20030215261 - Karakama, Toshiyuki ; et al.	2003-11-20
Process cartridge and electrophotographic image forming apparatus App 20030215257 - Karakama, Toshiyuki ; et al.	2003-11-20
Developing device, process cartridge and electrophotographic image forming apparatus Grant 6,625,413 - Oguma , et al. September 23, 2	2003-09-23
Cleaning apparatus App 20030156869 - Karakama, Toshiyuki ; et al.	2003-08-21
Image forming apparatus Grant D478,615 - Karakama , et al. August 19, 2	2003-08-19
Electric contact member and developing device, process cartridge, and electrophotographic image-forming apparatus using the electric contact member Grant 6,594,454 - Oguma , et al. July 15, 2	2003-07-15
Memory member, unit, process cartridge and electrophotographic image forming apparatus App 20030108355 - Watanabe, Kazushi ; et al.	2003-06-12
Memory member, unit, process cartridge and electrophotographic image forming apparatus App 20030103774 - Watanabe, Kazushi ; et al.	2003-06-05
Process cartredge and electrophotographic image forming apparatus App 20020172521 - Oguma, Toru ; et al.	2002-11-21
Electrophotographic image forming apparatus, process cartridge developing device, developer supply container and measuring part therefor Grant 6,463,223 - Karakama , et al. October 8, 2	2002-10-08
Electrophotographic image forming apparatus and process cartridges App 20020131791 - Yokoi, Akiyoshi ; et al.	2002-09-19
Process cartridge and electrophotographic image forming apparatus App 20020122674 - Yokoi, Akiyoshi ; et al.	2002-09-05
Process cartridge and electrophotographic image forming apparatus App 20020081125 - Karakama, ToshIyuki ; et al.	2002-06-27
Process cartridge and image forming apparatus Grant 6,408,142 - Takeuchi , et al. June 18, 2	2002-06-18
Developing device, process cartridge and electrophotographic image forming apparatus App 20020067930 - Oguma, Toru ; et al.	2002-06-06
Electric contact member and developing device, process cartridge, and electrophotographic image-forming apparatus using the electric contact member App 20020064390 - Oguma, Toru ; et al.	2002-05-30
Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus Grant 6,397,017 - Sakai , et al. May 28, 2	2002-05-28
Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus Grant 6,397,018 - Matsumoto , et al. May 28, 2	2002-05-28
Unit, process cartridge and electrophotographic image forming apparatus App 20020031359 - Karakama, Toshiyuki ; et al.	2002-03-14
Memory member, unit, process cartridge and electrophotographic image forming apparatus App 20020031357 - Watanabe, Kazushi ; et al.	2002-03-14
Memory member, unit, process cartridge and electrophotographic image forming apparatus App 20020025186 - Karakama, Toshiyuki ; et al.	2002-02-28
Electrophotographic image formation system, electrophotographic image forming apparatus and process cartridge App 20020025185 - Ito, Yoshihiro ; et al.	2002-02-28
Developing device, process cartridge and image forming apparatus App 20020021908 - Matsumoto, Hideki ; et al.	2002-02-21
Image Developing Apparatus, Process Cartridge, Electrophotographic Image Forming Apparatus, And Developing Unit Frame App 20020012542 - KARAKAMA, TOSHIYUKI ; et al.	2002-01-31
Developing Device, process cartridge and electrophotographic image forming apparatus App 20010038758 - Oguma, Toru ; et al.	2001-11-08
Process cartridge having a particular electrical contact arrangement and image forming apparatus using such a process cartridge Grant 6,308,028 - Yashiro , et al. October 23, 2	2001-10-23
Electrophotographic image forming apparatus App 20010014226 - Sakurai, Kazushige ; et al.	2001-08-16
Developing apparatus and process cartridge Grant 6,266,500 - Numagami , et al. July 24, 2	2001-07-24
Electrophotographic image forming apparatus, process cartridge, developing device and measuring part Grant 6,253,036 - Karakama , et al. June 26, 2	2001-06-26
Developing device having magnetic seals Grant 6,160,976 - Karakama , et al. December 12, 2	2000-12-12
Detachable two-frame process cartridge for an image forming apparatus Grant 6,118,961 - Nomura , et al. September 12, 2	2000-09-12
Electrophotographic image forming apparatus to which a process cartridge is detachably mountable and such a process cartridge whose developing member is supported at a position which deviates from a developing position Grant 6,101,354 - Nakagawa , et al. August 8, 2	2000-08-08
Process cartridge, electrophotographic image forming apparatus and coupling therebetween Grant 6,070,028 - Odagawa , et al. May 30, 2	2000-05-30
Process cartridge having a conductive member for use in detecting presence of the process cartridge, and image forming apparatus for using such a process cartridge Grant 6,064,842 - Takeuchi , et al. May 16, 2	2000-05-16
Developing apparatus with magnetic seals for preventing toner leakage Grant 6,038,414 - Inami , et al. March 14, 2	2000-03-14
Developing device having magnetic seal Grant 6,032,007 - Yamaji , et al. February 29, 2	2000-02-29
Developing apparatus with magnetic seal Grant 6,029,030 - Yamaji , et al. February 22, 2	2000-02-22
Magnetic seal mounting method developing blade exchanging method and process cartridge Grant 6,021,291 - Karakama , et al. February 1, 2	2000-02-01
Process cartridge and image forming apparatus usable therewith Grant 5,987,278 - Nomura , et al. November 16, 1	1999-11-16
Recycle method for process cartridge and image forming apparatus Grant 5,966,566 - Odagawa , et al. October 12, 1	1999-10-12
Toner accommodating container with a gripping cover feature usable with a process cartridge, a process cartridge using the same, and an apparatus using the process cartridge Grant 5,943,528 - Akutsu , et al. August 24, 1	1999-08-24
Process cartridge including a toner frame swingably coupled with a drum frame feature and a grip feature, and an apparatus using the same Grant 5,920,752 - Karakama , et al. July 6, 1	1999-07-06
Process cartridge, process cartridge assembly method, and image forming apparatus Grant 5,890,036 - Karakama , et al. March 30, 1	1999-03-30
Dip sheet adhering method, cleaning device, process and image forming apparatus Grant 5,884,124 - Karakama , et al. March 16, 1	1999-03-16
Process cartridge, assembling method for process cartridge and electrophotographic image forming apparatus Grant 5,878,310 - Noda , et al. March 2, 1	1999-03-02
Process cartridge mountable in an image forming system and a method for assembling a cleaning device Grant 5,828,928 - Sasago , et al. October 27, 1	1998-10-27
Developing device Grant 5,812,909 - Oguma , et al. September 22, 1	1998-09-22
Process cartridge with seal members Grant 5,794,101 - Watanabe , et al. August 11, 1	1998-08-11
Process cartridge, process cartridge assembly method, and electrophotographic image forming apparatus Grant 5,774,766 - Karakama , et al. June 30, 1	1998-06-30
Process cartridge, process cartridge assembly method, and image forming apparatus Grant 5,749,027 - Ikemoto , et al. May 5, 1	1998-05-05
Process cartridge and image forming apparatus using such a process cartridge Grant 5,689,774 - Shishido , et al. November 18, 1	1997-11-18
Detachable two-frame process cartridge for an image forming apparatus Grant 5,682,579 - Nomura , et al. October 28, 1	1997-10-28
Process cartridge, method for assembling process cartridge and image forming apparatus Grant 5,652,647 - Yashiro , et al. July 29, 1	1997-07-29
Process cartridge, method for assembling process cartridge and image forming apparatus Grant 5,638,161 - Numagami , et al. June 10, 1	1997-06-10
Process cartridge and image forming system on which process cartridge is mountable Grant 5,623,328 - Tsuda , et al. April 22, 1	1997-04-22
Process cartridge, method for assembling process cartridge and image forming apparatus Grant 5,619,309 - Yashiro , et al. April 8, 1	1997-04-08
Process cartridge, method for assembling process cartridge and image forming apparatus Grant 5,617,579 - Yashiro , et al. April 1, 1	1997-04-01
Process cartridge, method for assembling process cartridge and image forming apparatus Grant 5,543,898 - Shishido , et al. August 6, 1	1996-08-06
Process cartridge, method for assembling process cartridge and image forming appararatus Grant 5,500,714 - Yashiro , et al. March 19, 1	1996-03-19
Cleaning apparatus with a member to prevent peeling of a guide member, and a process cartridge and image forming apparatus using the same Grant 5,455,665 - Baba , et al. October 3, 1	1995-10-03
Process cartridge detachably mountable to image forming apparatus featuring an injectable sealing member Grant 5,208,634 - Ikemoto , et al. May 4, 1	1993-05-04