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Inventor

Yasuhisa Kato

Inventor
Kanagawa, JP

Overview

37→
Patents
1989–2021
Patent span
Physics
Primary field (CPC G)

Patents· 37 as inventor

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

G03Gprimary
G03GElectrography68%
B41JTypewriters11%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables6%
B05CApparatus for applying fluent materials to surfaces, in general2%
B23KSoldering or unsoldering2%
B29CShaping or joining of plastics2%
B41MPrinting, duplicating, marking, or copying processes2%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light2%
H02JElectric power networks2%
H04NPictorial communication, e.g. television2%
PatentTitleYear
11,114,810Laser device202111,059,126Welding method using an end tab having a cutout20218,651,044'Image forming apparatus and apparatus for coating foam on coating target member'20148,540,337'Image forming apparatus and foam application device'20138,398,225'Image forming apparatus, and apparatus and method for applying foamed liquid'20138,393,698'Image forming apparatus and foam application device'20138,127,709'Image forming apparatus and foam application device'20127,957,663'Heater, fixing unit and image forming apparatus'20117,905,573'Liquid ejection head with nozzle plate deformed by heat and image forming apparatus including the liquid election head'20117,885,569'Heater, fixing unit and image forming apparatus operable with a main and auxiliary power supply unit'20117,609,988'Heater, fixing unit and image forming apparatus having power supplied from chargeable auxiliary power supplying unit varied per unit time'20097,603,049'Image formation apparatus and associated method of storing power'20097,565,087'Fixing device, image forming apparatus including the fixing device, and fixing method'20097,551,869'Fixing device, image forming apparatus including the fixing device, and fixing method'20097,515,845'Method for supplying power, and fixing and image forming apparatuses'20097,496,309'Image forming apparatus with auxiliary power source'20097,373,094'Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensor'20087,366,432'Fixing device for fixing an image, image forming apparatus including the fixing device, and fixing method'20087,356,270'Fixing device, image forming apparatus including the fixing device, and fixing method'20087,343,113'Fixing device, image forming apparatus including the fixing device, and fixing method'20087,333,743'Fixing device, image forming apparatus including the fixing device, and fixing method'20087,308,216'Image forming apparatus and method to supply power to a fixing device'20077,239,821'Image forming apparatus including a heating unit'20077,212,759'Heating device, fixing device and image forming apparatus'20077,212,758'Image-forming apparatus'20077,209,675'Image forming apparatus'20077,130,555'Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensor'20067,116,923'Fuser provided with auxiliary power supply device to operate with varying power'20067,054,570'Image-forming apparatus'20066,263,185'Image forming apparatus with a scanner input'20016,134,418'Image forming apparatus having a casing mounted to the apparatus at an upper portion of a stacking device'20006,112,047'Image forming apparatus having a substantially vertical sheet transport path and a relaying mechanism that cooperate to transfer a sheet to a sheet discharge section'20005,745,247'Image forming apparatus having a controlled fixing unit'19985,729,798'Heat roller fixing device having positioning members'19985,481,350'Heat roller fixing device divided into first and second frames and with positioning members of the first frame'19965,400,123'Image forming apparatus capable of erasing an image recorded in a sheet'19954,843,214'Heat roll type arrangement for electrostatic recording apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2009Patents assigned to RICOH KK (27)· patent assignee history
1989–1998Based in Yokohama, JP· patent location history
2000–2011Based in Hiratsuka, JP· patent location history
2006–2014Based in Kanagawa, JP· patent location history
2007–2021Based in Tokyo, JP· patent location history
2011–2014Patents assigned to RICOH CO LTD (8)· patent assignee history
2012–2014Patents assigned to ICHIMURA MINORI (5)· patent assignee history
2012–2014Patents assigned to IZUMIKAWA MANABU (5)· patent assignee history
2012–2014Patents assigned to KATANO YASUO (5)· patent assignee history
2021Based in Hamamatsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK271989–2009
RICOH CO LTD82011–2014
ICHIMURA MINORI52012–2014
IZUMIKAWA MANABU52012–2014
KATANO YASUO52012–2014
Locations
LocationPatentsSpan
Kanagawa, JP172006–2014
Hiratsuka, JP112000–2011
Yokohama, JP41989–1998
Tokyo, JP32007–2021
Hamamatsu, JP12021