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Inventor

Takaya Muraishi

Inventor
Kawasaki, JP

Overview

28→
Patents
1993–2015
Patent span
Physics
Primary field (CPC G)

Patents· 28 as inventor

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

G03Gprimary
G03GElectrography88%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors3%
F16HGearing3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
8,999,501'Urethane foam member, seal structure, toner storage container, process cartridge, image forming apparatus'20158,699,898'Apparatus and method for changing a voltage setting for an image forming apparatus'20148,699,908'Cleaning device and image forming apparatus including same'20148,682,208'Cleaning device, image forming apparatus including same, and method for mounting same'20148,483,605'Cleaning device and image forming apparatus including same'20138,428,488'Charging device, process cartridge, image forming apparatus, and toner'20138,315,535'Cleaning unit, process cartridge incorporating same, and image forming apparatus incorporating the cleaning unit'20128,280,293'Image forming apparatus'20128,204,423'Cleaning device with accumulation prevention, process cartridge, and image forming apparatus including same'20128,204,422'Image forming apparatus and process cartridge having a charging unit'20128,095,059'Image forming apparatus with coating mode'20128,000,627'Charging device, process cartridge, image forming apparatus, and toner'20117,995,947'Image forming apparatus, and charging device and process cartridge used in the image forming apparatus'20117,949,281'Process cartridge and image forming apparatus for effectively cleaning a charging roller at predetermined intervals'20117,899,383'Lubricating device, lubricant applicator, and priming agent used therewith'20117,894,758'Image forming apparatus, image forming device charging device and lubricant supplying device constitution'20117,873,291'Image forming apparatus and process cartridge including charging bias adjustment control'20117,835,683'Cleaning unit, image carrying unit and image forming apparatus using the same'20107,756,439'Image forming apparatus and process cartridge used therein'20107,680,446'Cleaning device, process cartridge and image forming apparatus'20107,263,308'Cleaning member, cleaning device, charging device, transfer device, process cartridge, and image forming apparatus'20076,628,912'Charge roller for an image forming apparatus and method of producing the same'20036,088,551'Charging device for image forming apparatus'20005,946,529'Image forming apparatus using a roller type charging system'19995,878,317'Electrophotographic method and apparatus including a toner recycle feature'19995,799,229'Toner spreading device for a charging roller of an image forming apparatus'19985,594,539'Paper guide device for image forming apparatus'19975,194,050'Positioning device for an endless belt'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2010Patents assigned to RICOH KK (10)· patent assignee history
1993–2003Based in Yokohama, JP· patent location history
1999–2015Based in Kanagawa, JP· patent location history
2010–2015Patents assigned to RICOH CO LTD (18)· patent assignee history
2010–2012Based in Kawasaki, JP· patent location history
2012–2015Patents assigned to MURAISHI TAKAYA (11)· patent assignee history
2012–2015Patents assigned to HATORI SATOSHI (6)· patent assignee history
2012–2013Patents assigned to SHINTANI TAKESHI (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD182010–2015
MURAISHI TAKAYAself112012–2015
RICOH KK101993–2010
HATORI SATOSHI62012–2015
SHINTANI TAKESHI62012–2013
Locations
LocationPatentsSpan
Kawasaki, JP122010–2012
Kanagawa, JP101999–2015
Yokohama, JP61993–2003