P

Inventor

KATAYAMA SATOSHI

JP66 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA SATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AJINOMOTO KK

14 patents

SHARP KK

12 patents
US5958638ASep 28, 1999

Electrophotographic photoconductor and method of producing same

SHARP KK155 citations97
US5489496AFeb 6, 1996

Electrophotographic photoconductor and a method for forming the same

SHARP KK85 citations96
US5492786AFeb 20, 1996

Electrophotographic photoreceptor

SHARP KK20 citations92
US5391448AFeb 21, 1995

Electrophotographic photoconductor and a method for manufacturing the same

SHARP KK24 citations92
US6136484AOct 24, 2000

Electrophotographic photoreceptor, process for production thereof, and image-forming apparatus using same

SHARP KK18 citations91
US6136485AOct 24, 2000

Electrophotographic photoreceptor, process for production thereof, and image-forming apparatus using same

SHARP KK7 citations72
US5116706AMay 26, 1992

1,2,4,5-benzoylenebis(naphtho[1,8-de]pyrimidine) compounds and their use in photosensitive layers

SHARP KK12 citations72
US6696214B2Feb 24, 2004

Electrophotographic photoreceptor, process for production thereof, and image-forming apparatus using same

SHARP KK4 citations62
US5952146ASep 14, 1999

Coating liquid composition for photosensitive member for electrophotography and method of manufacturing photosensitive member for electrophotography using same

SHARP KK4 citations62
US4983741AJan 8, 1991

1,2,4,5-benzoylenebis(naphtho[2,3-d]imidazole) compounds and photosensitive members containing them

SHARP KK6 citations62
US5393636AFeb 28, 1995

Process for producing toner for the development of an electric image

SHARP KK1 citations52
US6054237AApr 25, 2000

Electrophotographic photoreceptor, process for producing the same, and image forming apparatus using same

SHARP KK0 citations51

EISAI CO LTD

10 patents

KANEKA CORP

4 patents

KATAYAMA SATOSHI

3 patents

FUJITSU LTD

2 patents

HIRAI KUNIHIRO

1 patent

KAWASAKI MICROELECTRONICS INC

1 patent

KAWASAKI STEEL CO

1 patent

YAMAHA MOTOR CO LTD

1 patent

OHTA YUSUKE

1 patent

Showing the top 50 of 66 patents by PatentIndex Score.