Inventor

Takatsugu Obata

Inventor
Nara, JP

Overview

28→
Patents
2000–2013
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
G03GElectrography55%
C07CAcyclic or carbocyclic compounds12%
C07DHeterocyclic compounds6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B05CApparatus for applying fluent materials to surfaces, in general4%
B05DProcesses for applying fluent materials to surfaces, in general4%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%
H01GCapacitors2%
H10KOrganic electric solid-state devices2%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%
PatentTitleYear
8,546,049'Electrophotographic photoconductor and image forming apparatus using the same'20138,354,211'Electrophotographic photoreceptor, image forming apparatus and process cartridge'20138,206,881'Electrophotographic photoreceptor and image forming apparatus'20128,003,287'Electrophotographic photoconductor and image-forming apparatus'20117,985,519'Aromatic polycarbonate, electrophotographic photoreceptor, and image forming apparatus'20117,977,020'Electrophotographic photoreceptor containing enamine compound, image formation apparatus provided with the same, enamine compound and method for producing the same'20117,803,507'Electrophotographic photoreceptor and image forming apparatus including the same'20107,794,907'Hydrazone compound, electrophotographic photoreceptor comprising the hydrazone compound, and image forming apparatus equipped with the electrophotographic photoreceptor'20107,781,137'Method and apparatus for producing electrophotographic photoreceptor'20107,754,403'Electrophotoconductor and image forming apparatus'20107,727,693'Electrophotographic photoreceptor, electrophotographic image forming method, and electrophotographic apparatus'20107,625,681'Asymmetric bis-hydroxyenamine compound, electrophotographic photoreceptor and image forming apparatus'20097,615,326'Electrophotographic photoconductor and image forming apparatus'20097,588,871'Electrophotographic photoreceptor and image forming apparatus provided with the same'20097,563,548'Amine compound, manufacturing method thereof, electrophotographic photoreceptor using amine compound and image forming apparatus having the same'20097,560,217'Method of forming electrophotographic photoreceptor and method of drying coating film'20097,534,539'Electrophotographic photoreceptor and image forming apparatus having the same'20097,457,565'Image forming apparatus'20087,429,439'Electrophotographic photoreceptor and image forming apparatus provided with the same'20087,416,824'Organic photoconductive material electrophotographic photoreceptor and image forming apparatus using the same'20087,402,209'Apparatus and method for applying coating liquid to cylindrical substrate, and electrophotographic photoreceptor produced by that method and electrophotographic apparatus provided with the same'20087,393,415'Method and apparatus for applying coating liquid to cylindrical substrate and method for producing electrophotographic photoreceptor and electrophotographic photoreceptor produced by the production method'20087,364,823'Amine compound, electrophotographic photoreceptor using the amine compound and image forming apparatus having the same'20087,175,956'Organic photoconductive material, electrophotographic photoreceptor comprising the same, and image-forming apparatus'20076,291,120'Electrophotographic photoreceptor and coating composition for charge generating layer'20016,210,847'Crystalline oxotitanylphthalocyanine and electrophotographic photoreceptor using the same'20016,043,428'Photoelectric material using organic photosensitising dyes and manufacturing method thereof'20006,022,655'Photoreceptor for electrophotography, bishydrazone compound and intermediate thereof, and method for producing bishydrazone compound and intermediate thereof'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2013Patents assigned to SHARP KK (28)· patent assignee history
2000–2013Based in Nara, JP· patent location history
2012–2013Patents assigned to KONDOH AKIHIRO (3)· patent assignee history
2012–2013Patents assigned to OBATA TAKATSUGU (3)· patent assignee history
2013Patents assigned to KIHARA AKIKO (2)· patent assignee history
2013Patents assigned to FUKUSHIMA KOTARO (1)· patent assignee history
2013Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK282000–2013
KONDOH AKIHIRO32012–2013
OBATA TAKATSUGUself32012–2013
KIHARA AKIKO22013
FUKUSHIMA KOTARO12013
Locations
LocationPatentsSpan
Nara, JP272000–2013
Osaka, JP12013