LexDanaLexDanabeta
Inventor

Masami Okamoto

Inventor
Kanagawa, JP

Overview

62→
Patents
1992–2019
Patent span
Physics
Primary field (CPC G)

Patents· 62 as inventor

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

G03Gprimary
G03GElectrography64%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C08LCompositions of macromolecular compounds6%
Y10TTechnical subjects covered by former us classification4%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
C08JWorking-up3%
F16HGearing3%
H04NPictorial communication, e.g. television3%
B29CShaping or joining of plastics1%
B60GVehicle suspension arrangements1%
PatentTitleYear
10,488,774Image forming apparatus and image forming method201910,481,530Separation member, separation device, fixing device, and image forming apparatus201910,394,169Fixing device and image forming apparatus201910,095,166Fixing device and image forming apparatus201810,088,786Fixing device and image forming apparatus201810,012,936Fixing device and image forming apparatus201810,012,937Fixing device and image forming apparatus including a fixing belt, a presser, and a gap retainer20189,996,035Fixing device and image forming apparatus with a movable presser which moves a fixing belt20189,939,761Fixing device and image forming apparatus that include a separation aid disposed downstream from the fixing nip20189,733,600'Fixing device and image forming apparatus'20179,519,249'Fixing device and image forming apparatus'20169,389,560'Fixing device including a separator to separate a recording medium from a pressure rotator and image forming apparatus including the fixing device'20169,316,979'Fixing device and image forming apparatus'20169,268,276'Fixing device and image forming apparatus that include a separator disposed downstream from a fixing nip'20169,244,431'Fixing device and image forming apparatus'20169,207,633'Fixing device and image forming apparatus incorporating same'20158,712,264'Fixing device, fixing device control method, and image forming apparatus'20148,699,904'Fixing device and image forming apparatus capable of suppressing variation image density'20148,503,898'Fixing device and image forming apparatus'20138,346,143'Fixing device and image forming apparatus capable of effectively circulating and applying oil for fixing'20138,224,220'Fixing device and image forming apparatus capable of adjusting amount of oil applied for fixing'20128,112,022'Fixing device, image forming apparatus, and image fixing method capable of stably applying oil for fixing without adhering oil to sheet'20128,027,627'Fixing device and image forming apparatus with improved mechanism for stably applying oil for fixing'20118,023,850'Image forming apparatus capable of stably applying oil for fixing'20117,957,663'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'20117,683,297'Electric power supply control device, heating device and fixing device'20107,609,988'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'20097,463,841'Heating device, fuser device, and image forming apparatus including power supply devices for supplying power to a heating unit'20087,449,510'Biodegradable polyester resin composition, process for producing the same and foamed article and molded article using the same'20087,373,094'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'20087,359,653'Fixing device, 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'20077,173,080'Biodegradable resin composition for molding and object molded or formed from the same'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'20067,098,263'Thermoplastic resin composition, molded article, and process for producing the same'20067,054,570'Image-forming apparatus'20066,950,766'Plant monitoring apparatus and storage medium'20056,861,468'Polyester resin composition'20056,821,464'Process for producing polymer/filler composite material'20046,411,795'Image forming apparatus with a two-sides image forming operation'20026,394,446'Reverse feeding device'20026,239,864'Image forming apparatus with a paper positioning device'20016,066,846'Light beam scanning apparatus'20005,572,868'Exhaust manifold'19965,567,758'Thermoplastic polyester resin composition'19965,193,408'Actuator'19935,129,273'Actuator'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2004Based in Ohtsu, JP· patent location history
2001–2010Patents assigned to RICOH KK (25)· patent assignee history
2001–2019Based in Kanagawa, JP· patent location history
2002–2014Based in Yamato, JP· patent location history
2005–2007Based in Shiga, JP· patent location history
2007–2009Based in Tokyo, JP· patent location history
2011–2019Patents assigned to RICOH CO LTD (26)· patent assignee history
2012–2019Patents assigned to OKAMOTO MASAMI (20)· patent assignee history
2012–2018Patents assigned to KUBOTA KEISUKE (16)· patent assignee history
2012–2018Patents assigned to NOZAWA KENJI (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD262011–2019
RICOH KK252001–2010
OKAMOTO MASAMIself202012–2019
KUBOTA KEISUKE162012–2018
NOZAWA KENJI122012–2018
Locations
LocationPatentsSpan
Kanagawa, JP352001–2019
Yamato, JP142002–2014
Shiga, JP32005–2007
Tokyo, JP22007–2009
Ohtsu, JP21996–2004