Inventor
ISHIOKA SACHIO
US22 patents
⚠️ This page may combine multiple inventors who share the name “ISHIOKA SACHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS4378417AMar 29, 1983
Electrophotographic member with α-Si layers
HITACHI LTD96 citations96
US4365013ADec 21, 1982
Electrophotographic member
HITACHI LTD90 citations96
US4952839AAug 28, 1990
Photoconductive device and method of operating the same
HITACHI LTD28 citations92
US4888521ADec 19, 1989
Photoconductive device and method of operating the same
HITACHI LTD26 citations92
US4121537AOct 24, 1978
Apparatus for vacuum deposition
HITACHI LTD35 citations92
US5233265AAug 3, 1993
Photoconductive imaging apparatus
HITACHI LTD37 citations91
US4377628AMar 22, 1983
Electrophotographic member with α-Si and H
HITACHI LTD24 citations82
US4556817ADec 3, 1985
Photoelectric conversion apparatus
HITACHI LTD13 citations74
US4394749AJul 19, 1983
Photoelectric device and method of producing the same
HITACHI LTD8 citations74
US3960618AJun 1, 1976
Epitaxial growth process for compound semiconductor crystals in liquid phase
HITACHI LTD17 citations74
US4980736ADec 25, 1990
Electric conversion device
HITACHI LTD15 citations73
US4900975AFeb 13, 1990
Target of image pickup tube having an amorphous semiconductor laminate
HITACHI LTD16 citations73
US4829345AMay 9, 1989
Electronic device having light transmission system
HITACHI LTD8 citations73
US4564784AJan 14, 1986
Reduced degradation, high resolution image pickup tube
HITACHI LTD11 citations73
US4884011ANov 28, 1989
Light-detecting device
HITACHI LTD3 citations63
US4636682AJan 13, 1987
Image pickup tube
HITACHI LTD2 citations63
US4554478ANov 19, 1985
Photoelectric conversion element
HITACHI LTD6 citations63
US4626885ADec 2, 1986
Photosensor having impurity concentration gradient
HITACHI LTD4 citations62
US4609846ASep 2, 1986
Image pick-up tube having collector and balance electrodes
HITACHI LTD4 citations62
US4419604ADec 6, 1983
Light sensitive screen
HITACHI LTD4 citations62
US4380557AApr 19, 1983
Method of production of image pickup device
HITACHI LTD3 citations62