Inventor

Yoshihide Fujimaki

Inventor

Hachioji, JP

Overview

23→

Patents

1983–1996

Patent span

Physics

Primary field (CPC G)

Patents· 23 as inventor

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

G03Gprimary

G03GElectrography74%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments16%

C07DHeterocyclic compounds3%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

5,486,898'Color image forming apparatus with photoreceptor protector'1996 5,350,655'Electrophotographic photoreceptor with titanyl phthaloycyanine'1994 5,310,614'Electrophotographic photoreceptor having an organic photoelectroconductive light sensitive layer'1994 5,252,415'Dot-image forming method and the photoreceptor therefor'1993 5,190,839'Electrophotographic photoreceptor'1993 5,128,225'Electrophotoreceptor comprising a carrier generation layer containing a silicone-modified butyral resin'1992 5,114,815'Electrophotographic photoreceptor having a light-sensitive layer formed from titanyl phthalocyanine pigment dispersed in a branched ester or alcohol solvent'1992 5,013,625'Photoreceptor'1991 4,975,350'Photoreceptor having a metal-free phthalocyanine charge generating layer'1990 4,925,757'Electrophotographic photoreceptor for negative electrification'1990 4,898,799'Photoreceptor'1990 4,891,288'Photoreceptor for positive electrostatic charge'1990 4,868,078'Imaging member having an amorphous silicon surface layer'1989 4,755,443'Photoreceptor for electrophotography comprising a phthalocyanine and organic amine compound'1988 4,600,292'Photoconductive screen'1986 4,599,287'Positive charging photorecptor'1986 4,591,542'Light-sensitive member and preparation thereof for use in electrophotography'1986 4,540,651'Electrophotographic photosensitive member'1985 4,477,549'Photoreceptor for electrophotography, method of forming an electrostatic latent image, and electrophotographic process'1984 4,450,218'Photoconductive receptor for an electrophotography'1984 4,431,722'Photosensitive element for electrophotography produced by sublimation'1984 4,415,641'Electrophotographic light-sensitive element'1983 4,415,640'Electrophotographic element with fluorenylidene hydrazone compounds'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1996Patents assigned to KONISHIROKU PHOTO IND (22)· patent assignee history

1983–1996Based in Hachioji, JP· patent location history

1990Patents assigned to KONISCHIROKU PHOTO INDUSTRY CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KONISHIROKU PHOTO IND	22	1983–1996
KONISCHIROKU PHOTO INDUSTRY CO	1	1990

Locations

Location	Patents	Span
Hachioji, JP	23	1983–1996