Inventor
HIRAI TADAAKI
43 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI TADAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
34 patentsUS5196702AMar 23, 1993
Photo-sensor and method for operating the same
HITACHI LTD56 citations94
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
US4982095AJan 1, 1991
Multi-element type radiation detector
HITACHI LTD29 citations91
US4255686AMar 10, 1981
Storage type photosensor containing silicon and hydrogen
HITACHI LTD23 citations81
US5583345ADec 10, 1996
Method of and apparatus for picking up and displaying a stereoscopic image from an object permeated with radioactive rays
HITACHI LTD18 citations80
US4556817ADec 3, 1985
Photoelectric conversion apparatus
HITACHI LTD13 citations74
US4429325AJan 31, 1984
Photosensor
HITACHI LTD12 citations74
US4394749AJul 19, 1983
Photoelectric device and method of producing the same
HITACHI LTD8 citations74
US4323912AApr 6, 1982
Solid-state imaging device
HITACHI LTD19 citations74
US4040985AAug 9, 1977
Photoconductive films
HITACHI LTD16 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
US4556816ADec 3, 1985
Photoelectric device
HITACHI LTD8 citations73
US4249106AFeb 3, 1981
Radiation sensitive screen
HITACHI LTD16 citations73
US4007473AFeb 8, 1977
Target structures for use in photoconductive image pickup tubes and method of manufacturing the same
HITACHI LTD11 citations73
US5818064AOct 6, 1998
Method of and apparatus for picking up and displaying a stereoscopic image from an object permeated with radioactive rays
HITACHI LTD11 citations72
US3984722AOct 5, 1976
Photoconductive target of an image pickup tube and method for manufacturing the same
HITACHI LTD7 citations70
US4884011ANov 28, 1989
Light-detecting device
HITACHI LTD3 citations63
US4636682AJan 13, 1987
Image pickup tube
HITACHI LTD2 citations63
US4331506AMay 25, 1982
Method of manufacturing target of image pickup tube
HITACHI LTD3 citations63
US4307319ADec 22, 1981
Semiconductor layer of oxygen depletion type cerium oxide or lead oxide
HITACHI LTD5 citations63
US5070272ADec 3, 1991
Photoconductive device and method of operating same
HITACHI LTD2 citations62
US4866332ASep 12, 1989
Target of image pickup tube
HITACHI LTD3 citations62
US4626885ADec 2, 1986
Photosensor having impurity concentration gradient
HITACHI LTD4 citations62
US5218264AJun 8, 1993
Image pick-up tube and apparatus having the same
HITACHI LTD2 citations61
US4883562ANov 28, 1989
Method of making a photosensor
HITACHI LTD2 citations61
US5021705AJun 4, 1991
Method of fabricating an image pick-up tube and target section used therewith
HITACHI LTD5 citations60
US4860093AAug 22, 1989
Method and apparatus for driving a plurality of pick-up tubes having their cathodes supplied by a common negative potential
HITACHI LTD1 citations52
US5384597AJan 24, 1995
Image pickup tube utilizing third electrode and its operating method
HITACHI LTD0 citations41