Inventor
AKIYAMA TOSHIYUKI
JP68 patents
⚠️ This page may combine multiple inventors who share the name “AKIYAMA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
25 patentsUS5282045AJan 25, 1994
Depth-of-field control apparatus and image pickup apparatus having the same therein
HITACHI LTD183 citations99
US4407010ASep 27, 1983
Solid state image pickup device
HITACHI LTD62 citations96
US4825291AApr 25, 1989
Solid-state televison camera with storage time controller
HITACHI LTD30 citations93
US4246601AJan 20, 1981
Solid-state color imaging device
HITACHI LTD43 citations93
US4233632ANov 11, 1980
Solid state image pickup device with suppressed so-called blooming phenomenon
HITACHI LTD35 citations93
US4689687AAug 25, 1987
Charge transfer type solid-state imaging device
HITACHI LTD28 citations92
US4283742AAug 11, 1981
Solid-state imaging apparatus with fixed pattern noise reduction
HITACHI LTD35 citations92
US4245241AJan 13, 1981
Solid-state color imaging device
HITACHI LTD44 citations92
US4774586ASep 27, 1988
Interline type charge transfer imaging device
HITACHI LTD33 citations91
US4716455ADec 29, 1987
Chrominance signal interpolation device for a color camera
HITACHI LTD31 citations90
US4413284ANov 1, 1983
Noise reducer for a solid state imager
HITACHI LTD20 citations82
US5257326AOct 26, 1993
Method and apparatus for interpolating a video signal of a picture element which has not been sampled and transmitted by an interleave sampling operation
HITACHI LTD11 citations74
US5113247AMay 12, 1992
Solid state image pickup apparatus for correcting discrepancy of registration
HITACHI LTD14 citations74
US4884129ANov 28, 1989
Signal processing apparatus for use with a single chip solid-state color camera
HITACHI LTD7 citations74
US4577231AMar 18, 1986
High sensitivity solid-state imaging device
HITACHI LTD9 citations74
US4532549AJul 30, 1985
Solid-state imaging device with high quasi-signal sweep-out efficiency and high signal charge transfer efficiency
HITACHI LTD9 citations74
US4498106AFeb 5, 1985
Pulse generator for solid-state television camera
HITACHI LTD15 citations74
US4467347AAug 21, 1984
Color imaging device
HITACHI LTD11 citations74
US4281338AJul 28, 1981
Solid state color imaging apparatus
HITACHI LTD13 citations74
US4210942AJul 1, 1980
Video signal play-back circuit
HITACHI LTD9 citations74
US4805025AFeb 14, 1989
Signal read-out apparatus for solid-state imager
HITACHI LTD16 citations73
US4578707AMar 25, 1986
Method of reducing vertical smears of a solid state image sensor
HITACHI LTD14 citations73
US4209806AJun 24, 1980
Solid-state imaging device
HITACHI LTD14 citations73
US4675887AJun 23, 1987
Solid state imaging device and method with row-by-row charge transfer
HITACHI LTD8 citations72
US4577230AMar 18, 1986
Solid state imaging device
HITACHI LTD8 citations72
HITACHI ELECTRONICS
9 patentsUS6512798B1Jan 28, 2003
Digital communication system of orthogonal modulation type
HITACHI ELECTRONICS78 citations98
US6304611B1Oct 16, 2001
OFDM modulator and OFDM modulation method for digital modulated wave having guard interval
HITACHI ELECTRONICS104 citations96
US6381251B1Apr 30, 2002
Data transmission apparatus and receiving apparatus using orthogonal frequency division multiplex modulation system
HITACHI ELECTRONICS51 citations92
US6246735B1Jun 12, 2001
Synchronization detection method for data transmission apparatus and data transmission apparatus using the same
HITACHI ELECTRONICS44 citations92
US6611493B1Aug 26, 2003
Communication, transmission and receiving method and apparatus using orthogonal frequency division multiplexing modulation system
HITACHI ELECTRONICS27 citations91
US6381236B1Apr 30, 2002
Bi-directional digital transmission system and bi-directional digital transmission method
HITACHI ELECTRONICS15 citations84
US6046629AApr 4, 2000
Method of an apparatus for demodulating amplitude-modulated signals in an amplitude phase shift keying (APSK) system
HITACHI ELECTRONICS20 citations83
US6038249AMar 14, 2000
Spectrum spread transmission method and apparatus
HITACHI ELECTRONICS13 citations74
US6473466B1Oct 29, 2002
Data transmitting method and data transmitting apparatus accompanied with a plurality of transmitting of receiving antennas
HITACHI ELECTRONICS8 citations72
SHIONOGI & CO
6 patentsUS9815835B2Nov 14, 2017
Substituted polycyclic carbamolypyridone derivative
SHIONOGI & CO11 citations83
US9469638B2Oct 18, 2016
Substituted polycyclic carbamoylpyridone derivative
SHIONOGI & CO9 citations83
US9758515B2Sep 12, 2017
Substituted polycyclic carbamoyl pyridone derivative prodrug
SHIONOGI & CO13 citations81
US9505783B2Nov 29, 2016
Method of producing pyrone and pyridone derivatives
SHIONOGI & CO3 citations72
US9260453B2Feb 16, 2016
Method for producing pyrone and pyridone derivatives
SHIONOGI & CO3 citations72
US10202379B2Feb 12, 2019
Substituted polycyclic carbamoyl pyridone derivative prodrug
SHIONOGI & CO4 citations71
NEC CORP
2 patentsTAKAHASHI CHIKA
1 patentHITACHI INT ELECTRIC INC
1 patentPIONEER CORP
1 patentAKIYAMA TOSHIYUKI
1 patentJAPAN BROADCASTING CORP
1 patentSUMINO YUKIHITO
1 patentUNIV OSAKA RES FOUND
1 patentHITACHI DENSHI KABUSHIKIGAISHA
1 patentShowing the top 50 of 68 patents by PatentIndex Score.