Hiroyuki Mabuchi

Inventor

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Work History

Patent OwnerApplications FiledYear
HITACHI, LTD.
1
1
1
2
1997
1998
2000
2004
RICOH COMPANY, LTD.
4
2
2
4
2
2
12
2005
2006
2007
2008
2011
2014
2015
RICOH PRINTING SYSTEMS, LTD.
2
2
4
2002
2003
2004
RICOH TECHNOLOGIES COMPANY, LTD.
1
1994
HITACHI PRINTING SOLUTIONS, LTD.
1
2
1
1
1
3
2
6
2
1994
1995
1996
1997
1998
2000
2001
2002
2003
RICOH PRINTING SYSTEMS, LTD., HITACHI LTD.
2
2004

Inventor Addresses

AddressDuration
Hitachinaka, JPMar 16, 99 - May 31, 11
Hitachinaka-City, JPJul 10, 03 - Sep 18, 08
Hitachinaka-shi, JPSep 16, 04 - Mar 02, 06
Ibaraki, JPNov 26, 96 - Jun 28, 11
Kanagawa, JPMar 15, 12 - May 23, 17
Katsuta, JPFeb 04, 97 - Feb 04, 97

Technology Profile

Technology Matters
B41J: TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 1
G03G: ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 32

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
96585762017Developing device, and process cartridge and image forming apparatus incorporating same0
95292972016Developing device, process cartridge, and image forming apparatus including same0
95073132016Image forming apparatus with removable unit and a connectable device to connect to the removable unit2
93956522016Developing unit, process cartridge, and image forming apparatus0
2016/0202,6602016IMAGE FORMING APPARATUS9

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