LexDanaLexDanabeta
Inventor

Toshiaki Kagawa

Inventor
Nara, JP

Overview

85→
Patents
1991–2021
Patent span
Physics
Primary field (CPC G)

Patents· 85 as inventor

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

G03Gprimary
G03GElectrography68%
H05BElectric heating8%
Y10TTechnical subjects covered by former us classification4%
H02KDynamo-electric machines3%
B41JTypewriters2%
B60LPropulsion of electrically-propelled vehicles2%
F16FSprings2%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light2%
A61LMethods or apparatus for sterilising materials or objects in general1%
B22DCasting of metals1%
PatentTitleYear
11,026,227Wireless communication device and recording medium for transmitting frames while avoiding collisions with other frames202110,884,877Information processing device, information processing method, and non-transitory computer readable medium20218,774,667'Image forming apparatus'20148,532,529'Fixing device and image forming apparatus using the same'20138,526,836'Fixing device, image forming apparatus, and temperature control method for fixing device'20138,452,220'Laser fixing device'20138,391,762'Fixing device and image forming apparatus including the same'20138,355,659'Fixing device and image forming apparatus having same'20138,320,811'Image recording medium, image recording medium reusing apparatus, image forming apparatus using the same and image recording medium reusing method'20128,295,726'Fixing device, image forming apparatus, and method for controlling fixing device'20128,295,753'Fixing device having an endless fixing belt and two-position disjunction mechanism'20128,238,779'Volatile chemical substance catching device and electronic apparatus'20128,233,831'Fixing device with cleaning section for image forming apparatus'20128,165,485'Fixing apparatus having heating element and image forming apparatus having the fixing element'20128,150,304'Fixing device and image forming apparatus including the same'20128,126,383'Fixing apparatus having an enhanced planar heat generating body, and image forming apparatus including the same'20128,068,768'Ion generating element, charging device, and image forming apparatus'20118,068,765'Fixing device and image forming apparatus including the same'20118,064,814'Fixing apparatus and image forming apparatus'20118,027,608'Fixing device, image forming apparatus equipped therewith, and recording medium on which temperature control program is recorded'20117,973,291'Electronic apparatus'20117,953,360'Fixing apparatus and image forming apparatus having same'20117,934,316'Charging roller, process cartridge and image forming apparatus'20117,885,561'Electric charging device, image forming apparatus, electric charging method, and manufacturing method of electric charging device'20117,868,272'Induction heating device and image forming apparatus equipped with such induction heating device'20117,869,743'Image forming apparatus, process cartridge used therein, and production method of charging roller'20117,826,763'Ozone removal device, image forming apparatus having the same, and method for removing ozone'20107,801,464'Ion generating device with a discharge electrode on a dielectric body coated by a protective layer made of metal'20107,796,903'Charging apparatus with a discharge electrode having a plurality of sharp-pointed portions'20107,783,218'Fixing apparatus, image forming apparatus, and method for controlling fixing apparatus'20107,747,206'Fixing apparatus and image forming apparatus'20107,725,066'Fixing roller and image forming apparatus'20107,725,047'Fixing apparatus and image forming apparatus provided therewith, computer-readable medium storing a control program for the fixing apparatus, and a contact method for an external heating member in the fixing apparatus'20107,715,750'Image forming apparatus, lubricant applying apparatus, control method of image forming apparatus'20107,711,306'Externally heated fixing apparatus with endless belt and image forming apparatus including the same'20107,702,272'Power control method for controlling a setting value of electric power to be supplied to each of components of an apparatus by switching between power control modes depending on a status of operation of each of the components of the apparatus'20107,668,484'Charging roller and image forming apparatus incorporating same'20107,653,322'Fixing apparatus, image forming apparatus, temperature control method for fixing apparatus, temperature control program, and storage medium storing the program'20107,647,014'Pretransfer charging device and image forming apparatus including same'20107,623,812'Image forming apparatus, charging roller, production method of charging roller, production apparatus of charging roller'20097,613,411'Fuser unit and imaging forming apparatus having the same'20097,603,069'Fixing apparatus and image forming apparatus provided therewith'20097,574,165'Fixing method, fixing device, and image forming apparatus'20097,570,909'Fixing apparatus and image forming apparatus including the same'20097,532,834'Fixing device and fixing method and image forming device'20097,446,281'Heating device'20087,426,364'Fixing method, fixing device, and image forming apparatus'20087,368,687'Heating apparatus, control method for same, and image forming apparatus'20087,329,845'Heating apparatus, control method for same, and image forming apparatus'20087,299,002'Heater, and image forming apparatus, heating method incorporating same'20077,266,319'Heater, and image forming apparatus, heating method incorporating same'20077,260,352'Fixing device cleaning device and image forming device'20077,199,332'Heating device and image forming device'20077,171,148'Fixing device, image forming device, and manufacturing method of fixing device'20077,088,935'Heater, and image forming apparatus, heating method incorporating same'20067,043,184'Heating device, fixing device, image forming apparatus and heating method'20066,949,724'Heating device and heating method'20056,846,685'Vertical-cavity surface-emitting semiconductor laser'20056,835,918'Heating device and heating method'20046,687,482'Heating apparatus and image forming apparatus incorporating the same'20046,643,477'Heating device and image forming apparatus using the same'20036,549,553'Vertical-cavity surface-emitting semiconductor laser'20036,289,971'Mold level control apparatus of continuous casting facility'20016,272,308'Roller-shaped heater and fusing unit using a roller-shaped heater'20016,249,657'One-way heat fixing device for fixing developers on a recording medium and a method therefor'20016,212,352'Color image forming apparatus spacially separating toner image heat-fusion from toner image transfer to a recording medium'20016,118,967'Toner image fixing device for preventing curling of recording medium'20006,088,549'Fixing device having an externally-heated fixing roller'20006,083,588'Fusing device'20006,035,173'Fixing device having a leveling blade comprising a fluororesin sheet'20006,009,300'Toner image fixing member, fixing roller and fixing device'19996,006,052'Fixing method and fixing device'19995,940,672'Fixing device'19995,937,255'Fuser having release agent supply means comprising fluororesin fibers'19995,918,097'Toner image fixing device'19995,890,031'Safety device for a toner image fixing device'19995,809,389'Fixing device for electrophotographic device'19985,790,931'Fixing device'19985,724,639'Fixing device having surfaces with different thermal characteristics'19985,708,947'Toner image fixing device'19985,521,383'Corona discharge device'19965,239,340'Linear motor device having vibration reduction unit'19935,229,670'Linear motor device having vibration reduction unit'19935,208,497'Linear driving apparatus'19935,075,750'Avalanche photodiode with adjacent layers'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2005Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
1993–2014Patents assigned to SHARP KK (79)· patent assignee history
1993Based in Tenri, JP· patent location history
1996–2001Based in Sakurai, JP· patent location history
2003–2011Based in Kitakatsuragi-gun, JP· patent location history
2004–2012Based in Nara, JP· patent location history
2011–2014Patents assigned to KAGAWA TOSHIAKI (17)· patent assignee history
2011–2014Based in Osaka, JP· patent location history
2012–2014Patents assigned to MUKAI TAKASHI (3)· patent assignee history
2012–2013Patents assigned to HIRAI MASASHI (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK791993–2014
KAGAWA TOSHIAKIself172011–2014
MUKAI TAKASHI32012–2014
NIPPON TELEGRAPH & TELEPHONE31991–2005
HIRAI MASASHI22012–2013
Locations
LocationPatentsSpan
Nara, JP242004–2012
Kitakatsuragi-gun, JP192003–2011
Sakurai, JP181996–2001
Osaka, JP152011–2014
Tenri, JP31993