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Inventor

Yasutada Tsukioka

Inventor
Kanagawa, JP

Overview

52→
Patents
2006–2018
Patent span
Physics
Primary field (CPC G)

Patents· 52 as inventor

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

G03Gprimary
G03GElectrography40%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them30%
H04NPictorial communication, e.g. television26%
G02BOptical elements, systems or apparatus3%
H02JElectric power networks1%
PatentTitleYear
10,012,893Image projection apparatus20189,671,681'Image projection apparatus'20179,429,828'Image projection apparatus'20169,348,201'Image projection apparatus'20169,329,464'Image projection apparatus including two ventilation units'20169,329,463'Image projection apparatus'20169,304,381'Image projection apparatus'20169,291,883'Image projection apparatus'20169,274,409'Image projection apparatus'20169,207,521'Image projection apparatus'20159,091,908'Image projection apparatus'20159,086,615'Image projection apparatus'20159,075,297'Image projection apparatus'20159,052,580'Outer housing for an image projection apparatus'20159,039,191'Image projection apparatus'20159,033,514'Image projection apparatus'20159,016,868'Image projection apparatus'20159,010,939'Image projection apparatus'20159,010,940'Image projection apparatus'20159,004,697'Image projection apparatus'20158,998,425'Image projection apparatus'20158,992,030'Image projection apparatus'20158,985,786'Image projection apparatus'20158,918,038'Fixing device and image forming apparatus incorporating same'20148,882,277'Image projection apparatus'20148,693,933'Endless belt assembly, fixing device, and image forming apparatus including a belt tracking mechanism'20148,600,252'System and method for controlling operation of a fixing device in an image forming apparatus'20138,565,658'Driving apparatus, fixing apparatus, and image forming apparatus'20138,406,648'Heating device, fixing device, and image forming apparatus'20138,385,763'Heating fixer and image forming apparatus having position detectors and blocking blades'20138,131,198'Image forming apparatus, fixing unit, and image forming method with improved heating mechanism'20127,957,663'Heater, fixing unit and image forming apparatus'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'20077,212,758'Image-forming apparatus'20077,212,759'Heating device, fixing device and 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'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2009Patents assigned to RICOH KK (19)· patent assignee history
2006–2011Based in Chiba, JP· patent location history
2007–2009Based in Matsudo, JP· patent location history
2007–2009Based in Tokyo, JP· patent location history
2011–2018Patents assigned to RICOH CO LTD (30)· patent assignee history
2012–2016Patents assigned to TSUKIOKA YASUTADA (18)· patent assignee history
2013–2018Based in Kanagawa, JP· patent location history
2013Based in Yokohama, JP· patent location history
2014–2016Patents assigned to FUJIOKA TETSUYA (10)· patent assignee history
2014–2016Patents assigned to ISHIKAWA NAOYUKI (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD302011–2018
RICOH KK192006–2009
TSUKIOKA YASUTADAself182012–2016
FUJIOKA TETSUYA102014–2016
ISHIKAWA NAOYUKI102014–2016
Locations
LocationPatentsSpan
Kanagawa, JP272013–2018
Chiba, JP122006–2011
Matsudo, JP72007–2009
Yokohama, JP32013
Tokyo, JP22007–2009