Inventor

Masaichiro Tatekawa

Inventor

Osaka, JP

Overview

1980–2009

Patent span

Performing operations

Primary field (CPC B)

Patents· 37 as inventor

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

B41Jprimary

B41JTypewriters37%

C09DCoating compositions, e.g. paints, varnishes or lacquers17%

G03GElectrography10%

H04NPictorial communication, e.g. television8%

H10NElectric solid-state devices not otherwise provided for6%

G02BOptical elements, systems or apparatus4%

G06FElectric digital data processing4%

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general2%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%

G06KGraphical data reading2%

PatentTitleYear

7,512,301'Image reader and image processor having a light source forming trapezoid-shaped illuminance distribution in sub-scanning direction'2009 7,378,458'Method for preparing ink, ink cartridge and ink-jet recording apparatus'2008 7,368,007'Ink-jet recording ink, image forming method, ink-jet recording apparatus and imaged article'2008 7,264,340'Piezoelectric actuator and ink-jet head, and ink-jet recorder'2007 7,249,324'Electronic paper file'2007 7,196,456'Piezoelectric actuator and method of manufacture therefor, and ink jet head and ink jet type recording device'2007 7,196,121'Inkjet recording ink, solvent for use in said ink and cartridge and recording device having said ink'2007 7,195,411'Recording apparatus with mechanism for ejecting recording medium'2007 7,160,934'Ink for ink-jet recording, and ink cartridge and recording apparatus including the same'2007 7,154,452'Electronic paper, electronic paperfile and electronic pen'2006 7,152,968'Image formation method'2006 7,140,796'Recording apparatus'2006 6,988,794'Inkjet recording ink, method for producing said ink, and ink cartridge and recording device having said ink'2006 6,986,564'Ink jet head, method for inspecting actuator, method for manufacturing ink jet head, and ink jet recording apparatus'2006 6,969,138'Ink jet recording apparatus'2005 6,955,429'Ink-jet recording head, ink cartridge, and recording apparatus'2005 6,947,697'Ultrasonic vibration tool, fixing device, and heating device'2005 6,942,329'Ink for inkjet recording, and cartridge and recording apparatus including the ink'2005 6,933,487'Image reader and image processor having a light source forming trapezoid-shaped illuminance distribution in sub-scanning direction'2005 6,929,686'Ink composition for inkjet recording'2005 6,921,151'Ink jet head, actuator testing method, method of manufacturing ink jet head, and ink jet recording apparatus'2005 6,921,157'Piezoelectric actuator and method of manufacture therefor, and ink jet head and ink jet type recording device'2005 6,906,705'Electronic file with flexible display medium'2005 6,891,328'Light source for image reading apparatus and image reading apparatus'2005 6,848,850'Recording apparatus'2005 6,811,248'Ink jet head, method of manufacturing the same and ink jet recording apparatus'2004 6,793,311'Ink jet recording apparatus'2004 6,783,211'Ink-jet recording head'2004 6,736,479'Ink jet recording apparatus'2004 6,717,751'Image reading apparatus'2004 6,565,196'Ink jet head, method of manufacturing the same and ink jet recording apparatus'2003 6,557,980'Image forming device, and its manufacturing method and apparatus'2003 6,496,680'Image fixing device and method using ultrasonic vibration'2002 6,299,295'Ink jet printing head having ink chambers arranged in succession by lamination'2001 5,381,214'Electrophotographic charging device'1995 4,696,562'Multifunctional copying machine'1987 4,196,875'Magnetic tape recording and/or reproducing apparatus'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (35)· patent assignee history

1980Based in Kawachinagano, JP· patent location history

1987Based in Sakai, JP· patent location history

1995–2004Based in Mino, JP· patent location history

2001–2009Based in Minoo, JP· patent location history

2003Patents assigned to ARRAY PRINTERS AB (1)· patent assignee history

2003–2008Based in Osaka, JP· patent location history

2006–2008Patents assigned to RICOH KK (3)· patent assignee history

2009Patents assigned to PANASONIC CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	35	1980–2008
RICOH KK	3	2006–2008
ARRAY PRINTERS AB	1	2003
PANASONIC CORP	1	2009

Locations

Location	Patents	Span
Osaka, JP	22	2003–2008
Minoo, JP	11	2001–2009
Mino, JP	2	1995–2004
Sakai, JP	1	1987
Kawachinagano, JP	1	1980