Inventor

Takao Ishida

Inventor

Kanagawa, JP

Overview

45→

Patents

1976–2019

Patent span

Performing operations

Primary field (CPC B)

Patents· 45 as inventor

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

G03Gprimary

G03GElectrography14%

B41MPrinting, duplicating, marking, or copying processes12%

B24BMachines, devices, or processes for grinding or polishing7%

G06FElectric digital data processing7%

F16KValves6%

H04NPictorial communication, e.g. television6%

B41JTypewriters5%

F16HGearing5%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%

PatentTitleYear

10,418,538Thermoelectric material and thermoelectric module2019 10,253,902Electromagnetic valve2019 10,057,452Image forming system and image forming method2018 10,007,222Cartridge, image forming apparatus and quality determining method of cartridge2018 9,945,493Electromagnetic valve2018 9,891,573'Apparatus and method for forming an image on a recording medium using erasable material and non-erasable material'2018 9,881,020'File document management server and file document managing method'2018 9,868,314'Decoloring method and decoloring device'2018 9,863,548'Electromagnetic valve'2018 9,796,200'Decoloring method and decoloring device'2017 9,684,273'Apparatus that forms an image on a medium using a plurality of erasable materials and erasing apparatus'2017 9,619,188'Image forming system and image forming method'2017 9,583,248'Solenoid and hydraulic pressure control apparatus having the same'2017 9,552,184'Facsimile apparatus and method for printing facsimile'2017 9,533,524'Cartridge, image forming apparatus and quality determining method of cartridge'2017 9,481,193'Apparatus and method for forming an image on a medium using a plurality of erasable materials'2016 9,371,932'Solenoid device'2016 9,282,221'Facsimile apparatus and method for printing facsimile'2016 9,248,661'Decoloring method and decoloring device'2016 9,250,837'Image forming system and image forming method'2016 9,158,252'Apparatus and method for forming an image on a recording medium using erasable material and non-erasable material'2015 9,128,442'Cartridge, image forming apparatus and quality determining method of cartridge'2015 9,035,423'Semiconductor device with inductor having interleaved windings for controlling capacitance'2015 7,140,947'Barrel polishing method and barrel polishing apparatus'2006 6,921,718'Semiconductor device and method of manufacturing the same'2005 6,391,770'Method of manufacturing semiconductor device'2002 6,268,619'Semiconductor device with high aspect ratio via hole including solder repelling coating'2001 6,083,290'Inorganic media for dry barrel finishing'2000 5,814,534'Method of doping with beryllium and method of fabricating semiconductor optical element doped with beryllium'1998 5,776,251'Duplex type coating apparatus and coating system'1998 5,739,558'High electron mobility transistor including asymmetrical carrier supply layers sandwiching a channel layer'1998 5,733,172'Dry barrel finishing machine having a device to wet media'1998 5,679,603'Method of making semiconductor device including high resistivity layer'1997 5,476,415'Dry barrel finishing machine'1995 5,381,217'Detachably mounted toner unit having a toner supply unit and a toner recovery housing unit'1995 5,260,750'Image forming apparatus having integral developing agent storing and removing containers'1993 5,206,692'Image forming apparatus having an integral toner supply container and toner storage container'1993 5,204,720'Image forming apparatus having integral toner supply cartridge and toner recovery cartridge'1993 5,010,692'Polishing device'1991 4,837,979'Polishing device'1989 4,717,223'Optical deflector'1988 4,694,607'Apparatus for detecting door movement data in an automatic door system'1987 4,641,947'Housing apparatus'1987 4,607,908'Optical deflector'1986 3,995,457'Continuous padding type dyeing machine'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2018Patents assigned to TOSHIBA KK (21)· patent assignee history

1989–2006Patents assigned to SINTOBRATOR LTD (6)· patent assignee history

1993–2018Based in Yokohama, JP· patent location history

1995–2018Based in Kanagawa, JP· patent location history

1995–2006Based in Nishikasugai-gun, JP· patent location history

1997–2015Patents assigned to MITSUBISHI ELECTRIC CORP (7)· patent assignee history

1998–2016Based in Tokyo, JP· patent location history

2015–2018Patents assigned to TOSHIBA TEC KK (16)· patent assignee history

2016–2019Patents assigned to HAMANAKODENSO CO LTD (5)· patent assignee history

2016–2019Based in Toyohashi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	21	1986–2018
TOSHIBA TEC KK	16	2015–2018
MITSUBISHI ELECTRIC CORP	7	1997–2015
SINTOBRATOR LTD	6	1989–2006
HAMANAKODENSO CO LTD	5	2016–2019

Locations

Location	Patents	Span
Kanagawa, JP	15	1995–2018
Tokyo, JP	6	1998–2016
Toyohashi, JP	5	2016–2019
Yokohama, JP	4	1993–2018
Nishikasugai-gun, JP	4	1995–2006