Inventor
OKAMOTO TOMOMI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO TOMOMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
26 patentsUS6665261B2Dec 16, 2003
Disk cartridge
HITACHI LTD15 citations92
US6349087B1Feb 19, 2002
Disk cartridge with a disk holding member
HITACHI LTD15 citations92
US5982719ANov 9, 1999
Disc auto changer for recording or reproducing information on a desired disc of a plurality of discs in a magazine
HITACHI LTD23 citations91
US6779194B2Aug 17, 2004
Disc cartridge for one-sided disc-shaped recordable medium
HITACHI LTD15 citations84
US6577593B2Jun 10, 2003
Disk cartridge
HITACHI LTD6 citations74
US5959803ASep 28, 1999
Cartridge changer, data storage unit using the changer and apparatus using the data storage unit
HITACHI LTD16 citations74
US5130875AJul 14, 1992
Multichannel magnetic head having a plurality of head chips fixed on a common head base
HITACHI LTD16 citations72
US7123481B2Oct 17, 2006
Electronic device
HITACHI LTD10 citations68
US6847605B2Jan 25, 2005
Disk cartridge
HITACHI LTD3 citations63
US6510132B2Jan 21, 2003
Disk cartridge
HITACHI LTD1 citations63
US6507560B2Jan 14, 2003
Disc cartridge
HITACHI LTD2 citations63
US6480464B2Nov 12, 2002
Disk cartridge with holder and disk information
HITACHI LTD3 citations63
US6449242B2Sep 10, 2002
Disk cartridge
HITACHI LTD1 citations63
US6400678B1Jun 4, 2002
Disc cartridge
HITACHI LTD2 citations63
US6285642B1Sep 4, 2001
Disk device with vibration-insulating mechanism
HITACHI LTD2 citations63
US6205105B1Mar 20, 2001
Disk cartridge and disk cartridge apparatus
HITACHI LTD6 citations63
US5243483ASep 7, 1993
Rotary drum device
HITACHI LTD5 citations63
US5220472AJun 15, 1993
Rotary drum for video tape recorder
HITACHI LTD2 citations63
US5862119AJan 19, 1999
Disc inclining/disc inverting mechanism in a disc storage/playback apparatus
HITACHI LTD5 citations62
US5434735AJul 18, 1995
Recording/playback apparatus for controlling contact between a head and a magnetic tape by controlled spouting of air in the vicinity of the head
HITACHI LTD5 citations62
US6711119B1Mar 23, 2004
Disk cartridge with a holder having disk information on it
HITACHI LTD1 citations52
US6625108B2Sep 23, 2003
Disk cartridge
HITACHI LTD1 citations52
US6519220B2Feb 11, 2003
Disk device with eliminatable gaps
HITACHI LTD0 citations52
US6463030B2Oct 8, 2002
Disc cartridge
HITACHI LTD0 citations52
US6948179B2Sep 20, 2005
Disk cartridge
HITACHI LTD0 citations51
US7940612B2May 10, 2011
Optical disc apparatus and control method thereof
HITACHI LTD0 citations48
MITSUBISHI CHEM CORP
3 patentsUS9899606B2Feb 20, 2018
Composition for organic electroluminescent element, organic electroluminescent element, display and lighting
MITSUBISHI CHEM CORP3 citations72
US8945728B2Feb 3, 2015
Organic compound, charge-transporting material, composition containing the compound, organic electroluminescent element, display device, and lighting device
MITSUBISHI CHEM CORP3 citations62
US9564602B2Feb 7, 2017
Organic compound, charge-transporting material, composition containing the compound, organic electroluminescent element, display device, and lighting device
MITSUBISHI CHEM CORP0 citations51