LexDanaLexDanabeta
Inventor

Seiji Kageyama

Inventor
Yokohama, JP

Overview

29→
Patents
1990–2012
Patent span
Physics
Primary field (CPC G)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing29%
G06KGraphical data reading29%
H04LTransmission of digital information, e.g. telegraphic communication10%
H04MTelephonic communication10%
H04QSelecting10%
B41JTypewriters6%
G01RMeasuring electric variables2%
G03GElectrography2%
PatentTitleYear
8,339,660'Tandem continuous paper printer'20127,903,268'Printer enabling user to set error recovery method for each error category'20117,433,075'Method and image forming apparatus, and printing system for recording invisible information recording'20087,400,420'Printer facilitating settings of parameters on print paper'20087,336,383'Printer system, and printing system using the printer system, for centralized printer management'20087,236,487'System for and method of exchanging server data in packet unit'20077,209,256'Document processing method'20077,092,117'Print system'20067,006,496'System for and method of exchanging server data in packet unit'20066,950,203'Print system and print system control method'20056,621,816'System for and method of exchanging server data in packet unit'20036,567,180'Document printing method'20036,504,619'Print control apparatus with error recovery function and its print control method'20036,333,790'Printing system wherein printer connected to one computer is managed by another computer over a network'20016,141,338'System for and method of exchanging server data in packet unit'20006,025,923'Print controlling method and apparatus using a plurality of processors'20005,954,436'Printing apparatus and double-side printing control method'19995,802,260'Printing system'19985,799,206'Remote print system having a plurality of computers which are capable of monitoring and controlling operations of a remote printer'19985,774,638'Print controlling method and apparatus using a plurality of processors'19985,664,074'Print control apparatus with error recovery function and its print control method'19975,625,757'Printing system'19975,537,401'System for and method of exchanging server data in packet unit'19965,303,336'Printing system including print server'19945,265,209'Print control apparatus for printing pages having different page sizes using one or more of a plurality of same-sized page buffers'19935,058,037'Method and apparatus for controlling printer'19915,033,880'Printer with character expansion in accordance with line pitch'19914,992,958'Method and apparatus for controlling printer'19914,941,108'Interface for sending printer request signals to a printer'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2007Patents assigned to HITACHI LTD (19)· patent assignee history
1990–1993Based in Fuchu, JP· patent location history
1994–2007Based in Yokohama, JP· patent location history
1997–2003Patents assigned to HITACHI MICROSOFTWARE SYSTEMS (2)· patent assignee history
1998–2008Based in Kawasaki, JP· patent location history
2001–2003Patents assigned to HITACHI KOKI KK (2)· patent assignee history
2003–2008Based in Ibaraki, JP· patent location history
2005–2012Patents assigned to KAGEYAMA SEIJI (2)· patent assignee history
2005–2011Based in Hitachinaka, JP· patent location history
2006–2008Patents assigned to RICOH PRINTING SYS LTD (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD191990–2007
RICOH PRINTING SYS LTD52006–2008
HITACHI KOKI KK22001–2003
HITACHI MICROSOFTWARE SYSTEMS21997–2003
KAGEYAMA SEIJIself22005–2012
Locations
LocationPatentsSpan
Yokohama, JP131994–2007
Ibaraki, JP42003–2008
Hitachinaka, JP32005–2011
Kawasaki, JP31998–2008
Fuchu, JP31990–1993