Inventor
TAKIZAWA KAZUYUKI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “TAKIZAWA KAZUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
23 patentsUS4755978AJul 5, 1988
Disc player
SONY CORP153 citations97
US5311497AMay 10, 1994
Pickup feeding apparatus for a double-sided reproducing disc player
SONY CORP44 citations90
US4773057ASep 20, 1988
Apparatus for reproducing selectively loaded discs of different diameters
SONY CORP26 citations90
US4098512AJul 4, 1978
Phonograph record player
SONY CORP15 citations82
US4113263ASep 12, 1978
Phonograph record player
SONY CORP6 citations74
US4106775AAug 15, 1978
Phonograph record player
SONY CORP5 citations74
US6785897B2Aug 31, 2004
Disc support plate, disc changer mechanism, and disc recording and/or reproducing device
SONY CORP6 citations73
US6646974B2Nov 11, 2003
Disc support plate and disc recording and/or reproducing device
SONY CORP7 citations73
US4464743AAug 7, 1984
Record playing apparatus
SONY CORP15 citations73
US6751181B1Jun 15, 2004
Recording and/or reproducing device for disks
SONY CORP9 citations72
US6654319B1Nov 25, 2003
Disc recording and/or reproducing apparatus having control plates and space forming features
SONY CORP7 citations72
US4196907AApr 8, 1980
Record player
SONY CORP7 citations72
US4108444AAug 22, 1978
Phonograph record player
SONY CORP3 citations63
US4108445AAug 22, 1978
Phonograph record player
SONY CORP2 citations63
US6934959B2Aug 23, 2005
Disk recording and/or reproducing device
SONY CORP3 citations62
US6724713B1Apr 20, 2004
Recording and/or reproducing device for disks
SONY CORP4 citations61
US7428743B2Sep 23, 2008
In-vehicle player
SONY CORP2 citations57
USRE42482EJun 21, 2011
Disc support plate, disc changer mechanism, and disc recording and/or reproducing device
SONY CORP0 citations52
USRE42763ESep 27, 2011
Recording and/or reproducing device for disks
SONY CORP0 citations51
USRE42041EJan 18, 2011
Recording and/or reproducing device for disks
SONY CORP0 citations51
US7308695B2Dec 11, 2007
Disk holding member, disk tray, recording and/or reproducing device, and disk changer
SONY CORP0 citations51
US6760283B2Jul 6, 2004
Disk recording and/or reproducing device with starting and ejection control means
SONY CORP0 citations51
US6683828B1Jan 27, 2004
Disc holding device and disc recording and/or reproducing device including disc mounting mechanisms and bias mechanisms for biasing a disc towards the mounting mechanisms
SONY CORP0 citations51
HITACHI LTD
4 patentsMAXELL LTD
4 patentsUSRE50622EOct 7, 2025
Head-up display apparatus
MAXELL LTD2 citations74
US10989929B2Apr 27, 2021
Head-up display apparatus
MAXELL LTD5 citations72
US11039112B2Jun 15, 2021
Head up display apparatus
MAXELL LTD0 citations62
US12596517B2Apr 7, 2026
Linked display system and linked display method
MAXELL LTD0 citations52