Inventor
MEGURO HIROSHI
JP45 patents
⚠️ This page may combine multiple inventors who share the name “MEGURO HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
33 patentsUS6199689B1Mar 13, 2001
Cartridge holder
SONY CORP41 citations92
USD419359SJan 25, 2000
Case for a disc
SONY CORP35 citations89
US6515830B1Feb 4, 2003
Protective linear sheets for a magnetic recording disc housed in a disc cartridge
SONY CORP14 citations84
US6307712B1Oct 23, 2001
Assembly for discrimination disc storage capacity in a disc cartridge
SONY CORP9 citations74
US6236540B1May 22, 2001
Assembly for connecting the upper and lower cartridge halves of a disc cartridge
SONY CORP12 citations74
US6198598B1Mar 6, 2001
Disc cartridge with slippery film to reduce friction and vent to discharge dust
SONY CORP12 citations74
US6175471B1Jan 16, 2001
Disc cartridge having configuration to prevent insertion into certain disk drives
SONY CORP14 citations74
US4714213ADec 22, 1987
Magnetic tape cassette with magnetic tape protective closure and bias means therefor
SONY CORP8 citations74
US4646190AFeb 24, 1987
Magnetic tape cassette having automatic brake
SONY CORP11 citations74
US6307711B1Oct 23, 2001
Disc cartridge
SONY CORP13 citations73
USRE34927EMay 2, 1995
Magnetic tape cassette with tape protective closure and lock mechanism
SONY CORP5 citations73
US4881137ANov 14, 1989
Magnetic tape cassette with tape protective closure and lock mechanism
SONY CORP11 citations73
US4843510AJun 27, 1989
Magnetic tape cassette with tape protective closure and lock mechanism
SONY CORP5 citations73
US6307713B1Oct 23, 2001
Center core for disc-shaped recording medium and process of producing same
SONY CORP10 citations72
US6704174B2Mar 9, 2004
Magnetic recording and playback device with ESD protection
SONY CORP11 citations71
US4926279AMay 15, 1990
Magnetic tape cassette
SONY CORP7 citations66
US6449125B1Sep 10, 2002
Disc cartridge
SONY CORP4 citations63
US6327117B1Dec 4, 2001
Recording/reproducing apertures for disc cartridge
SONY CORP4 citations63
US6271992B1Aug 7, 2001
Disk cartridge
SONY CORP2 citations63
USD422997SApr 18, 2000
Magnetic disc cartridge
SONY CORP4 citations63
USD420999SFeb 22, 2000
Shutter for magnetic disc cartridge
SONY CORP2 citations63
USD420991SFeb 22, 2000
Shutter for magnetic disc cartridge
SONY CORP2 citations63
US4947276AAug 7, 1990
Magnetic tape cassette with remaining tape indicator
SONY CORP5 citations63
US4771352ASep 13, 1988
Magnetic tape cassette with easily assembled lid spring
SONY CORP3 citations63
US6031675AFeb 29, 2000
Recording medium device provided with erroneous recording prevention mechanism
SONY CORP3 citations62
US5140488AAug 18, 1992
Magnetic tape cassette
SONY CORP2 citations58
US7379479B2May 27, 2008
Communication apparatus, communication method and program
SONY CORP1 citations52
US6433963B1Aug 13, 2002
Disc cartridge
SONY CORP1 citations52
US6018445AJan 25, 2000
Belt-drive tape cartridge having an offset drive roller and flanged tape guides
SONY CORP0 citations52
US5710686AJan 20, 1998
Tape cassette with main body and slider lock formed by dichromatic molding
SONY CORP1 citations52
US4774617ASep 27, 1988
Magnetic tape cassette with improved brake assembly
SONY CORP1 citations52
US4739432AApr 19, 1988
Lid assembly for magnetic tape cassette
SONY CORP1 citations52
US6437942B1Aug 20, 2002
Disc cartridge with improved shutter slide operation
SONY CORP0 citations42
NIKON CORP
7 patentsUS5477557ADec 19, 1995
Laser drive circuit with independently adjustable maximum and minimum power levels
NIKON CORP22 citations92
US5006700AApr 9, 1991
Distance-measuring apparatus for camera
NIKON CORP25 citations92
US4962400AOct 9, 1990
Zooming control device for camera
NIKON CORP27 citations92
US5260956ANov 9, 1993
Laser drive circuit
NIKON CORP10 citations72
US5109244AApr 28, 1992
Electronic flash apparatus for cameras
NIKON CORP4 citations63
US5023648AJun 11, 1991
Flash taking lens shutter camera
NIKON CORP5 citations63
US4969007ANov 6, 1990
Electronic flash apparatus for cameras
NIKON CORP5 citations63
NIPPON KOGAKU KK
3 patentsUS4497564AFeb 5, 1985
Exposure mode setting device in an exposure control apparatus of a camera
NIPPON KOGAKU KK7 citations73
US4477169AOct 16, 1984
Automatic focusing camera system and photographing lens structure therefor
NIPPON KOGAKU KK2 citations63
US4422746ADec 27, 1983
Auto focus camera
NIPPON KOGAKU KK5 citations62