Inventor

Masahito Kato

Inventor

Nagoya, JP

Overview

1980–2020

Patent span

Physics

Primary field (CPC G)

Patents· 39 as inventor

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

G03Gprimary

G03GElectrography29%

C09DCoating compositions, e.g. paints, varnishes or lacquers28%

Y10TTechnical subjects covered by former us classification9%

B29CShaping or joining of plastics5%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%

B29LIndexing scheme associated with subclass b29c, relating to particular articles5%

B41JTypewriters3%

B41MPrinting, duplicating, marking, or copying processes3%

C02FTreatment of water, waste water, sewage, or sludge3%

G06FElectric digital data processing3%

PatentTitleYear

10,802,419Method of manufacturing developer container, developer container, developing apparatus, process cartridge, and image forming apparatus2020 10,761,451Developing apparatus for providing developer to an image bearing member and image forming apparatus having the developing apparatus2020 10,444,671Image forming apparatus having a developer detecting unit2019 10,228,635Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus2019 9,989,888Method of manufacturing developer container2018 9,880,495'Developer container, developing apparatus, process cartridge, and image forming apparatus for detecting an amount of developer based on a change in electric capacitance'2018 9,857,767'Process cartridge and image forming apparatus'2018 9,857,730'Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus'2018 9,727,000'Determining surface potential of image bearing member of image forming apparatus'2017 9,535,355'Image forming apparatus'2017 9,250,567'Developer container for detecting developer amount based on capacitance, developing apparatus, process cartridge, and image forming apparatus'2016 8,615,181'Image forming apparatus'2013 8,565,632'Image forming apparatus for controlling a temperature of a fixing device therein'2013 8,349,190'Method and device for cleaning circulation water'2013 8,275,279'Image forming apparatus with operation of image bearing member after image formation'2012 8,261,292'Information processing apparatus, method of controlling the same, program, and recording medium'2012 8,220,899'Pretreatment liquids, ink cartridge assemblies, pretreated recording media, and methods of recording'2012 8,104,858'Inkjet head'2012 8,016,404'Pretreatment liquids, ink sets, ink-jet recording apparatus, methods of recording, and recording media'2011 8,000,633'Charging member, charging device, image forming apparatus, and process cartridge'2011 7,901,620'Method and device for cleaning circulation water'2011 7,690,780'Ink for ink-jet recording'2010 7,454,160'Developing apparatus including a cylindrical developer carrying member conveying a magnetic mono-component developer'2008 7,430,745'Information processing apparatus, method of controlling the same, program, and recording medium'2008 7,346,300'Developing apparatus'2008 7,328,989'Water base ink set for ink-jet recording'2008 7,281,789'Water base ink set for ink-jet recording'2007 7,137,693'Ink container and ink container-sealing wrapper assembly'2006 5,938,829'Water based ink and ink-jet recording method'1999 5,885,336'Recording ink, ink cartridge containing the same, and ink-jet recording method based on the use of the same'1999 5,868,823'Water-based magenta ink composition and ink-jet recording process employing the same'1999 5,861,056'Water-based magenta INK composition and ink-jet recording process employing the same'1999 5,810,917'Water-based recording magenta ink composition and ink-jet recording process'1998 5,795,375'Water color ink for recording and ink-jet recording process'1998 5,785,744'Water-based black recording ink, and ink-jet recording process making use of the same'1998 5,755,861'Ink composition, process for its preparation, and ink-jet recording process'1998 5,656,072'Ink composition process for its preparation and ink-jet recording process'1997 5,538,549'Recording ink having pigment particles'1996 4,206,931'Apparatus for fitting a cylinder head cover'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2012Patents assigned to BROTHER IND LTD (17)· patent assignee history

1996–2012Based in Nagoya, JP· patent location history

2008–2020Patents assigned to CANON KK (19)· patent assignee history

2008–2012Based in Chiba, JP· patent location history

2008Based in Susono, JP· patent location history

2011–2020Based in Suntou-gun, JP· patent location history

2012–2013Patents assigned to KATO MASAHITO (7)· patent assignee history

2012–2013Patents assigned to NAITO NORIHITO (3)· patent assignee history

2012–2013Patents assigned to KASE TAKASHI (2)· patent assignee history

2016–2020Based in Gotemba-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	19	2008–2020
BROTHER IND LTD	17	1996–2012
KATO MASAHITOself	7	2012–2013
NAITO NORIHITO	3	2012–2013
KASE TAKASHI	2	2012–2013

Locations

Location	Patents	Span
Nagoya, JP	17	1996–2012
Gotemba-shi, JP	10	2016–2020
Suntou-gun, JP	5	2011–2020
Chiba, JP	2	2008–2012
Susono, JP	2	2008