Inventor
HAYASHI HIDEKI
JP341 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHI HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
13 patentsUS5796711AAug 18, 1998
Optical disc having plural zones of recording tracks
PIONEER ELECTRONIC CORP71 citations96
US5745457AApr 28, 1998
Optical disk player with coarse and fine speed control
PIONEER ELECTRONIC CORP58 citations96
US5684773ANov 4, 1997
Information reproduction apparatus compatible with different recording media
PIONEER ELECTRONIC CORP64 citations96
US5790492AAug 4, 1998
Crosstalk canceler with digital filter for producing pseudo crosstalk component
PIONEER ELECTRONIC CORP65 citations95
US4602295AJul 22, 1986
Recording and reproducing method for video format signal
PIONEER ELECTRONIC CORP67 citations95
US6304538B1Oct 16, 2001
Information reproducing apparatus for reproducing digital information on record medium
PIONEER ELECTRONIC CORP36 citations93
US6198587B1Mar 6, 2001
Recording information reproducing apparatus for increasing an amplitude of a high frequency component of the reproduced signal
PIONEER ELECTRONIC CORP38 citations93
US5508993AApr 16, 1996
Digital signal reproducing apparatus using a Viterbi decoder
PIONEER ELECTRONIC CORP30 citations93
US5455813AOct 3, 1995
Digital signal reproducing apparatus
PIONEER ELECTRONIC CORP27 citations93
US5440532AAug 8, 1995
Digital signal reproducing apparatus for reproducing digital signals from a recording medium
PIONEER ELECTRONIC CORP30 citations93
US5995465ANov 30, 1999
Digital signal reproducing apparatus
PIONEER ELECTRONIC CORP35 citations92
US5901128AMay 4, 1999
Recorded information reproducing apparatus
PIONEER ELECTRONIC CORP36 citations92
US5719847AFeb 17, 1998
Optical disk player having waveform distortion compensating function
PIONEER ELECTRONIC CORP22 citations92
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
8 patentsUS6995909B1Feb 7, 2006
Lens, optical head, optical information writing/reading apparatus and optical information recording medium writing/reading method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD68 citations98
US5703856ADec 30, 1997
Optical head and optical data recording and reproducing apparatus having the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD136 citations98
US5754512AMay 19, 1998
Correction elements to lower light intensity around an optical axis of an optical head with a plurality of focal points
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD58 citations96
US6643245B2Nov 4, 2003
Optical element, light source apparatus, optical head apparatus, and optical information processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations93
US5347504ASep 13, 1994
Optical disk apparatus for optically recording or reproducing information on an optical recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations93
US5345072ASep 6, 1994
Focus detection device for reading information from an optical recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations93
US6363039B2Mar 26, 2002
Disk tilting compensation with an offset signal to control the location of a light beam
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US5912868AJun 15, 1999
Optical head for reproducing data from first and second optical disks
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
TOYOTA MOTOR CO LTD
5 patentsUSD572639SJul 8, 2008
Hood for an automobile
TOYOTA MOTOR CO LTD18 citations93
USD572636SJul 8, 2008
Front portion of a motor vehicle and/or toy replica thereof
TOYOTA MOTOR CO LTD21 citations93
USD535228SJan 16, 2007
Rear bumper for an automobile
TOYOTA MOTOR CO LTD19 citations93
USD526608SAug 15, 2006
Spare tire cover for an automobile
TOYOTA MOTOR CO LTD18 citations93
USD491117SJun 8, 2004
Front grille for an automobile
TOYOTA MOTOR CO LTD31 citations93
CANON KK
4 patentsUSD394505SMay 19, 1998
Non-contact eye-pressure measuring apparatus
CANON KK59 citations96
USD462984SSep 17, 2002
Image forming apparatus
CANON KK39 citations93
USD450848SNov 20, 2001
Digital X-ray camera
CANON KK20 citations93
US5967996AOct 19, 1999
Apparatus and method for aiding transmission
CANON KK49 citations92
HITACHI LTD
3 patentsOKUE MASAKI
2 patentsSUMITOMO ELECTRIC INDUSTRIES
2 patentsIBM
1 patentSHINTO PAINT CO LTD
1 patentROHM CO LTD
1 patentBROTHER IND LTD
1 patentMINAMIDE KEIICHI
1 patentHONDA MOTOR CO LTD
1 patentPIONEER CORP
1 patentTOSHIBA MACHINE CO LTD
1 patentPIONEER ELECTRIC CORP
1 patentNIPPON RUBBER CO
1 patentHAYASHI HIDEKI
1 patentYAGHI OMAR M
1 patentRENESAS TECH CORP
1 patentShowing the top 50 of 341 patents by PatentIndex Score.