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Inventor

Takaaki Ikegami

Inventor
Susono, JP

Overview

28→
Patents
1996–2014
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%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
8,798,487'Image forming apparatus'20148,472,818'Image carrier deterioration degree evaluating device, image carrier failure predicting device, and image forming apparatus'20138,349,529'Electrophotographic photoconductor, and electrophotographic method, electrophotographic apparatus and process cartridge containing the electrophotographic photoconductor'20138,278,016'Electrophotographic photoconductor'20128,263,297'Electrophotographic photoconductor and electrophotographic apparatus'20128,097,393'Image forming apparatus and image forming method'20127,964,327'Electrophotographic photoreceptor and method of preparing the photoreceptor, and image forming apparatus, image forming method and process cartridge using the photoreceptor'20117,879,519'Image bearing member and image forming apparatus using the same'20117,851,114'Electrostatic latent image bearing member, and image forming apparatus, process cartridge, and image forming method using the same'20107,781,134'Electrophotographic photoreceptor, image forming method, image forming apparatus and process cartridge for the image forming apparatus'20107,391,994'Image forming apparatus, image forming process, and process cartridge for image forming apparatus'20087,381,511'Photoreceptor, image forming method and image forming apparatus using the photoreceptor, process cartridge using the photoreceptor and coating liquid for the photoreceptor'20087,314,693'Electrophotographic photoconductor, electrophotographic process, electrophotographic apparatus, and process cartridge'20087,267,916'Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor'20077,220,522'Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the electrophotographic photoreceptor'20077,212,777'Image forming apparatus used in electrostatic process'20077,177,583'Image forming apparatus and copier'20077,112,392'Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge for image forming apparatus using the electrophotographic photoreceptor'20067,031,650'Image forming apparatus and copier'20067,018,755'Electrophotographic photoconductor, electrophotography method using the same, electrophotographic apparatus, electrographic apparatus process cartridge and electrophotographic photoconductor outermost surface layer coating solution'20066,861,188'Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge therefor using the photoreceptor'20056,853,823'Electrophotographic photoreceptor and image forming apparatus using the photoreceptor'20056,853,834'Image forming apparatus and copier'20056,824,939'Electrophotographic image forming method and apparatus'20046,777,149'Electrophotographic image forming apparatus and process cartridge, and electrophotographic photoreceptor therefor'20046,030,736'Electrophotographic photoconductor with polysiloxane mixture'20005,702,855'Electrophotographic photoconductor containing a mixture of a phenol compound and an organic sulfur-containing compound'19975,578,405'Electrophotographic photoconductor containing disazo and trisazo pigments'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2010Patents assigned to RICOH KK (19)· patent assignee history
1996Based in Numazu, JP· patent location history
1997–2012Based in Susono, JP· patent location history
2004–2013Based in Shizuoka, JP· patent location history
2010–2014Patents assigned to RICOH CO LTD (9)· patent assignee history
2010–2013Based in Tokyo, JP· patent location history
2012–2014Patents assigned to IKEGAMI TAKAAKI (6)· patent assignee history
2012–2013Patents assigned to KURIMOTO EIJI (3)· patent assignee history
2012–2013Patents assigned to SHIMOYAMA KEISUKE (3)· patent assignee history
2014Based in Shizouka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH KK191996–2010
RICOH CO LTD92010–2014
IKEGAMI TAKAAKIself62012–2014
KURIMOTO EIJI32012–2013
SHIMOYAMA KEISUKE32012–2013
Locations
LocationPatentsSpan
Susono, JP191997–2012
Shizuoka, JP52004–2013
Tokyo, JP22010–2013
Shizouka, JP12014
Numazu, JP11996