LexDanaLexDanabeta
Inventor

Tadayuki Tsuda

Inventor
Kawasaki, JP

Overview

75→
Patents
1987–2021
Patent span
Physics
Primary field (CPC G)

Patents· 75 as inventor

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

G03Gprimary
G03GElectrography77%
Y10TTechnical subjects covered by former us classification8%
B29CShaping or joining of plastics2%
F16DCouplings for transmitting rotation2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material1%
B29LIndexing scheme associated with subclass b29c, relating to particular articles1%
C10MLubricating compositions1%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions1%
F16CShafts1%
PatentTitleYear
11,067,942Drum unit, cartridge, electrophotographic image forming apparatus and coupling member202110,947,471Grease composition and rolling bearing202110,671,013Drum unit, cartridge, electrophotographic image forming apparatus and coupling member20206,823,155'Process cartridge and image forming apparatus'20046,760,558'Developing device having a cover with partition member'20046,654,578'Image forming apparatus to which a process cartridge having a part connecting member is detachably mountable, process cartridge having a part connecting member, and part connecting member'20036,603,939'Developing apparatus, process cartridge, connecting method between developing frame and developer frame, and flexible seal'20036,542,706'Process cartridge and electrophotographic image forming apparatus'20036,535,699'Developer container, developer amount detecting system, process cartridge, developing device, and image forming apparatus'20036,519,431'Process cartridge, assembling method therefor and electrophotographic image forming apparatus'20036,473,578'Developing apparatus'20026,424,811'Electrophotographic image forming apparatus and process cartridge detachably mounted thereto having first and second drive force transmitting means'20026,415,121'Connecting method of resin material molded product, process cartridge and assembling method of process cartridge'20026,334,035'Developer container and cartridge'20016,324,363'Process cartridge and electrophotographic image forming apparatus'20016,266,502'Process cartridge with cleaning frame having reinforcing member'20016,229,979'Developing charging member supplied with a voltage of a same polarity as that of a developer and not less than a charge starting voltage and a developing charging roller with internal bearing'20016,173,145'Developing apparatus with drive mechanism for developer bearing body'20016,154,623'Process cartridge and image forming apparatus'20006,151,465'Electrical contact device for developing roller'20006,118,961'Detachable two-frame process cartridge for an image forming apparatus'20006,097,906'Electrophotographic image forming apparatus having a main assembly connector and a process cartridge having a cartridge connector electrically connectable with the main assembly connector'20006,097,911'Process cartridge having shiftable cover with specific spacing between cover and cartridge'20006,075,956'Process cartridge having shiftable cover and guide member for directing airflow'20006,064,841'Power supply for a charging apparatus having a contact charger for charging an object to be charged'20006,058,278'Toner container, process cartridge and electrophotographic image forming apparatus'20006,041,196'Developer detecting apparatus for detecting the position of an upper surface of developer contained in a container and process cartridge comprising such apparatus'20006,011,941'Process cartridge and electrophotographic image forming apparatus'20006,006,058'Process cartridge and electrophotographic image forming apparatus having an improved driving system'19995,987,278'Process cartridge and image forming apparatus usable therewith'19995,926,672'Photosensitive drum provided in an image forming apparatus including helical gears disposed at an end of the drum'19995,923,918'Device for notifying a remaining amount of a developer, a process cartridge, and an electrophotographic image forming apparatus'19995,907,749'Process cartridge and image forming apparatus usable therewith'19995,878,304'Process cartridge having shiftable cover with inner protrusion'19995,832,343'Toner supply method, toner accommodation container, process cartridge and electrophotographic image forming apparatus'19985,828,929'Image forming system and process cartridge having particular arrangement of electrical contacts'19985,828,928'Process cartridge mountable in an image forming system and a method for assembling a cleaning device'19985,812,909'Developing device'19985,809,374'Process cartridge including a seal member formed from a liquid-foam material'19985,802,431'Collapsible toner container'19985,771,425'Mechanically fastened cylindrical engaging member for use in an image forming apparatus'19985,761,584'Process cartridge toner supply container mountable onto toner accommodating container and toner supply method'19985,708,913'Coating apparatus, process cartridge and electrophotographic image forming apparatus'19985,682,579'Detachable two-frame process cartridge for an image forming apparatus'19975,682,587'Developing apparatus using hollow magnet roller'19975,669,042'Image forming system having means to support at least one component of a process cartridge'19975,659,847'Process cartridge having positioning member for positioning optical device'19975,655,181'Toner accommodation container, process cartridge and electrophotographic image forming apparatus'19975,623,328'Process cartridge and image forming system on which process cartridge is mountable'19975,608,509'Process cartridge with blade member having a flat-surface side and an angled-surface side'19975,602,623'Photosensitive drum provided in an image forming apparatus including gears disposed at an end of drum'19975,583,613'Image forming system'19965,581,325'Process cartridge having an electroconductive grounding member and an image forming apparatus using such a process cartridge'19965,561,504'Process cartridge, method for assembling same and image forming system with self-regulating liquid seal feature'19965,510,878'Process cartridge and image forming system'19965,488,459'Image bearing member having an asymmetrically weighted base, process cartridge and image forming apparatus'19965,475,470'Process cartridge and image forming system on which the process cartridge is mountable using a handgrip'19955,470,635'Blade member having a flat-surface side and an angled-surface side'19955,404,198'Process cartridge and image forming apparatus'19955,404,216'Cleaning device, image forming apparatus including the cleaning device, and method of assembling the cleaning device'1995D0356331'Developing device for copying machine'1995D0355208'Developing device for copying machine'1995D0353832'Toner container for photo-copier'1994D0353616'Developing device for copying machine'19945,345,294'Process cartridge and image forming apparatus using same'19945,331,372'Process cartridge and image forming apparatus on which process cartridge is mountable'19945,294,960'Detachable two-frame process cartridge for an image forming apparatus'19945,223,893'Process cartridge detachably mountable to image forming apparatus'19935,208,634'Process cartridge detachably mountable to image forming apparatus featuring an injectable sealing member'19935,151,734'Process cartridge detachably mountable to image forming apparatus featuring a peripherally supported image bearing drum'19925,138,394'Cleaning apparatus with means to effectively use toner storage space'19925,126,800'Process cartridge and image forming apparatus usable with same featuring selectively engageable drive mechanism'19925,113,224'Reciprocating driving device'19924,786,977'Lightweight recording apparatus using operative portions for structural support'19884,702,591'Cleaning device for an image forming apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2021Patents assigned to CANON KK (74)· patent assignee history
1987–2000Based in Kawasaki, JP· patent location history
1996–2000Based in Hachioji, JP· patent location history
1998–2021Based in Susono, JP· patent location history
2003–2004Based in Shizuoka, JP· patent location history
2021Patents assigned to JTEKT CORP (1)· patent assignee history
2021Based in Kashiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK741987–2021
JTEKT CORP12021
Locations
LocationPatentsSpan
Kawasaki, JP391987–2000
Susono, JP241998–2021
Hachioji, JP81996–2000
Shizuoka, JP22003–2004
Kashiba, JP12021