Inventor

Koji Terasawa

Inventor

Mitaka, JP

Overview

1981–2004

Patent span

Performing operations

Primary field (CPC B)

Patents· 71 as inventor

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

B41Jprimary

B41JTypewriters88%

G06KGraphical data reading5%

G01DMeasuring not specially adapted for a specific variable4%

G01FMeasuring volume, volume flow, mass flow or liquid level1%

H04NPictorial communication, e.g. television1%

PatentTitleYear

6,767,075'Image forming device'2004 6,290,329'Recording apparatus'2001 6,286,926'Ink jet recording apparatus and method'2001 6,196,655'Ink-jet recording apparatus and recovery process method of the same'2001 6,149,264'Ink jet recording apparatus'2000 6,109,724'Ink jet recording apparatus'2000 6,106,100'Recording apparatus and method for forming plural dots in a pixel'2000 6,102,520'Recording apparatus with ink spot volume regulation'2000 6,097,407'Package for ink jet head'2000 6,082,846'Ink jet recording with recovery operation and associated test printing'2000 6,048,047'Ink jet recording apparatus'2000 6,019,451'Ink jet recording apparatus with capping mechanism and capping state indicator'2000 6,007,184'Ink jet recording head mounting and positioning arrangement'1999 6,007,174'Ink jet recording apparatus and method'1999 5,995,067'Ink jet recording apparatus which controls recovery operation in accordance with environmental conditions'1999 5,988,809'Recording apparatus with system for stacking , supplying and guiding recording media'1999 5,907,343'Ink jet recording apparatus and cartridge for use in the same'1999 5,559,537'Suction recovery device for ink jet recording apparatus'1996 5,504,512'Ink jet recording apparatus and ink cartridge usable therewith'1996 5,479,193'Device for detecting when a particular amount of ink remains in an ink jet recording apparatus and recording apparatus using the same'1995 5,477,246'Ink jet recording apparatus and method'1995 5,475,404'Ink jet recording apparatus with controlled recovery operation'1995 5,398,054'Ink jet apparatus'1995 5,398,049'Recording apparatus for method for controlling distance between recording head and recording medium'1995 5,315,317'Ink quantity detecting device and recording apparatus with the devie'1994 5,311,214'Ink jet recording apparatus having means for removing foreign material from an ink supply path by first introducing an into the ink supply path'1994 5,231,416'Container for ink jet head and recovering method of ink jet head using container'1993 5,202,702'Ink jet recording apparatus and a method of cleaning a recording head used in the apparatus'1993 5,138,343'Ink jet recording apparatus with recovery means'1992 5,126,766'Ink jet recording apparatus including means for opening and closing an ink supply path'1992 5,086,305'Liquid injection recording apparatus and suction recovery device using capping means integrally provided with a plurality of caps'1992 5,053,787'Ink jet recording method and head having additional generating means in the liquid chamber'1991 4,999,643'Discharge recovery device and apparatus having suction means and vent means communicating with capping means'1991 4,970,534'Ink jet recovery device having a spring-loaded cap and a mechanism for pressing the cap against a recording head and apparatus incorporating the device'1990 4,967,204'Method for ensuring stable operation of an ink jet recording apparatus'1990 4,965,596'Ink jet recording apparatus with waste ink distribution paths to plural cartridges'1990 4,951,066'Ink jet recording apparatus having a discharge orifice surface and a blade and rubbing member for cleaning the surface independently of each other'1990 4,920,360'Liquid ejection recording unit and liquid ejection recording apparatus'1990 4,893,138'Ink jet recovery device including a communicating valve and a ventilating valve'1990 D0305436'Printer'1990 4,819,012'Ink-jet printer with cap means'1989 4,785,314'Internally pressure-regulated ink supply'1988 4,739,847'Ink jet printer'1988 4,739,340'Ink jet capping-purging operational checks method'1988 4,728,970'Suction recovery apparatus of ink-jet printer'1988 4,712,172'Method for preventing non-discharge in a liquid jet recorder and a liquid jet recorder'1987 4,695,851'Ink jet printer'1987 4,682,184'Suction recovering device for an ink jet printer and ink jet printer having the same device'1987 4,656,490'Suction recovery apparatus of ink-jet printer'1987 4,636,814'Printing apparatus'1987 4,631,554'Ink jet printing apparatus with suction recovery unit'1986 4,628,333'Ink jet recording head and ink jet recorder'1986 4,600,931'Ink jet recording apparatus'1986 4,599,625'Ink tank frangible lever for pressure co-action with a ink bag'1986 4,556,894'Ink-jet type printer and a function restoration suction device'1985 4,543,589'Capping device for ink jet nozzle'1985 4,543,591'Suction recovery apparatus'1985 4,510,510'Inkjet printer'1985 4,506,277'Nozzle-restoring suction device for ink jet printer'1985 4,492,969'Capping device for a multi-ink jet head'1985 4,447,820'Ink supplying mechanism'1984 4,429,320'Ink jet recording apparatus'1984 4,419,677'Ink jet recording apparatus'1983 4,419,678'Ink jet recording apparatus'1983 4,415,886'Residual ink detection mechanism'1983 4,410,900'Ink jet recording apparatus'1983 4,403,233'Ink jet apparatus'1983 4,369,454'Recording apparatus'1983 4,352,114'Ink jet printer with temperature compensation'1982 4,342,041'Ink jet type recording apparatus'1982 4,276,554'Ink jet mechanism for purging and activating'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2001Patents assigned to CANON KK (69)· patent assignee history

1981–1984Based in Fuchu, JP· patent location history

1982–2001Based in Mitaka, JP· patent location history

1990–2004Based in Tokyo, JP· patent location history

2004Patents assigned to CANON FINETECH INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	69	1981–2001
CANON FINETECH INC	1	2004

Locations

Location	Patents	Span
Mitaka, JP	58	1982–2001
Tokyo, JP	7	1990–2004
Fuchu, JP	6	1981–1984