Inventor
DOI TAKASHI
JP131 patents
⚠️ This page may combine multiple inventors who share the name “DOI TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS5193154AMar 9, 1993
Buffered peripheral system and method for backing up and retrieving data to and from backup memory device
HITACHI LTD1,533 citations99
US4833665AMay 23, 1989
Information recording control system reusing a defective area
HITACHI LTD76 citations95
US5353422AOct 4, 1994
Method and system for storing and managing a plurality of information media used by recording/reproducing units
HITACHI LTD22 citations92
US4677606AJun 30, 1987
Data recording and reproducing method
HITACHI LTD35 citations92
US4638472AJan 20, 1987
Information recording system and method for using alternative record area in writing and reading of data on optical disk
HITACHI LTD34 citations92
US4611314ASep 9, 1986
Method for accessing to a rotating record medium and an access control system
HITACHI LTD55 citations92
US4754399AJun 28, 1988
Data transfer control system for controlling data transfer between a buffer memory and input/output devices
HITACHI LTD29 citations89
US4760566AJul 26, 1988
Method of controlling write operation for rotating type recording medium
HITACHI LTD23 citations82
US4926324AMay 15, 1990
I/O control system and method
HITACHI LTD12 citations71
TOSHIBA KK
8 patentsUS6370895B1Apr 16, 2002
Refrigerator with two evaporators
TOSHIBA KK64 citations95
US6715305B2Apr 6, 2004
Two-evaporator refrigerator having a controlled variable throttler
TOSHIBA KK22 citations93
US6460357B1Oct 8, 2002
Two-evaporator refrigerator having a bypass and channel-switching means for refrigerant
TOSHIBA KK41 citations92
US6397608B1Jun 4, 2002
Refrigerator
TOSHIBA KK50 citations92
US8984181B2Mar 17, 2015
Video sender and video receiver
TOSHIBA KK8 citations83
US7432530B2Oct 7, 2008
Solid-state imaging device and method of manufacturing same
TOSHIBA KK10 citations83
US10631041B1Apr 21, 2020
Electronic device
TOSHIBA KK4 citations73
US10327049B2Jun 18, 2019
Cable and electronic apparatus
TOSHIBA KK2 citations73
HITACHI HIGH TECH CORP
6 patentsUS6956211B2Oct 18, 2005
Charged particle beam apparatus and charged particle beam irradiation method
HITACHI HIGH TECH CORP15 citations93
US7875858B2Jan 25, 2011
Charged particle beam trajectory corrector and charged particle beam apparatus
HITACHI HIGH TECH CORP13 citations84
US7705300B2Apr 27, 2010
Charged particle beam adjusting method and charged particle beam apparatus
HITACHI HIGH TECH CORP15 citations84
US7282722B2Oct 16, 2007
Charged particle beam apparatus and charged particle beam irradiation method
HITACHI HIGH TECH CORP10 citations84
US7408172B2Aug 5, 2008
Charged particle beam apparatus and charged particle beam irradiation method
HITACHI HIGH TECH CORP8 citations74
US10903037B2Jan 26, 2021
Charged particle beam device
HITACHI HIGH TECH CORP2 citations72
UBE INDUSTRIES
4 patentsUS5731453AMar 24, 1998
Process for producing a diaryl carbonate
UBE INDUSTRIES6 citations73
US5892091AApr 6, 1999
Catalyst for decarbonylation reaction
UBE INDUSTRIES7 citations72
US5811573ASep 22, 1998
Process for producing a diaryl carnonate
UBE INDUSTRIES9 citations72
US5792883AAug 11, 1998
Preparation of diaryl carbonate
UBE INDUSTRIES7 citations72
TOYOTA MOTOR CO LTD
3 patentsUS7032441B2Apr 25, 2006
Tire-state obtaining apparatus
TOYOTA MOTOR CO LTD26 citations92
US6960994B2Nov 1, 2005
Vehicle tire information obtaining apparatus and tire information processing apparatus
TOYOTA MOTOR CO LTD29 citations92
US7116218B2Oct 3, 2006
Vehicle-tire-state detection/communication apparatus and tire-data communication apparatus
TOYOTA MOTOR CO LTD24 citations89
IRISO ELECTRONICS CO LTD
3 patentsDIAMOND ELECTRIC MFG
2 patentsTOSHIBA MATSUSHITA DISPLAY TEC
2 patentsUS7659960B2Feb 9, 2010
Liquid crystal display device with spherical spacers in contact holes
TOSHIBA MATSUSHITA DISPLAY TEC12 citations84
US7884900B2Feb 8, 2011
Liquid crystal display device with partition walls made of color filter layers as a dam for the light shielding material
TOSHIBA MATSUSHITA DISPLAY TEC11 citations80
KOGANEI LTD
2 patentsSEIKO EPSON CORP
2 patentsDOI TAKASHI
2 patentsSUMITOMO METAL IND
1 patentMITSUBISHI HEAVY IND LTD
1 patentJMS CO LTD
1 patentTOSHIBA TEC KK
1 patentHITACHI MAXELL
1 patentHONDA MOTOR CO LTD
1 patentTOSHIBA VISUAL SOLUTIONS CORP
1 patentShowing the top 50 of 131 patents by PatentIndex Score.