Inventor
TSUDA SHINGO
JP54 patents
⚠️ This page may combine multiple inventors who share the name “TSUDA SHINGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI GLOBAL STORAGE TECH
19 patentsUS7724478B2May 25, 2010
Magnetic disk drive, wiring connection structure and terminal structure
HITACHI GLOBAL STORAGE TECH53 citations95
US7372669B2May 13, 2008
Magnetic disk drive, wiring connection structure and terminal structure
HITACHI GLOBAL STORAGE TECH44 citations93
US7522375B2Apr 21, 2009
Magnetic disk drive with cover seal and method for fabricating same
HITACHI GLOBAL STORAGE TECH27 citations88
US7564645B2Jul 21, 2009
Rotating disk storage device with mounting structure and enhanced fixing mechanism
HITACHI GLOBAL STORAGE TECH8 citations84
US7030527B2Apr 18, 2006
Data storage device with mechanism to control rotation of spindle motor
HITACHI GLOBAL STORAGE TECH19 citations82
US7450347B2Nov 11, 2008
Head suspension with bridge portion separating apertures near lift tab
HITACHI GLOBAL STORAGE TECH12 citations81
US6661615B2Dec 9, 2003
Apparatus and method for depopulating a disk drive head stack assembly by utilizing an overmolded actuator
HITACHI GLOBAL STORAGE TECH10 citations74
US7551389B2Jun 23, 2009
Disk drive and method of retracting head thereof
HITACHI GLOBAL STORAGE TECH7 citations73
US6912105B1Jun 28, 2005
Magnetic disk device with firmly fixed yokes
HITACHI GLOBAL STORAGE TECH10 citations73
US7652850B2Jan 26, 2010
Rotating disk type storage unit with reduced vibration
HITACHI GLOBAL STORAGE TECH3 citations63
US7428125B2Sep 23, 2008
Rotating disk storage device and pivot bearing
HITACHI GLOBAL STORAGE TECH5 citations63
US7630168B2Dec 8, 2009
Solution for leaking problem of punching base and cover with seal tape
HITACHI GLOBAL STORAGE TECH2 citations61
US7606004B2Oct 20, 2009
Rotating disk storage device with actuator lock mechanism
HITACHI GLOBAL STORAGE TECH3 citations61
US7394615B2Jul 1, 2008
Disk device with charging filter outside pivotal range of head actuator and having projection plane overlapping the disk
HITACHI GLOBAL STORAGE TECH4 citations61
US6954338B2Oct 11, 2005
System and method of limiting a range of motion of an actuator in a hard disk drive
HITACHI GLOBAL STORAGE TECH4 citations61
US7486483B2Feb 3, 2009
Rotating disk storage device with improved actuator arm
HITACHI GLOBAL STORAGE TECH0 citations52
US7075749B2Jul 11, 2006
Apparatus and method to improve read/write speed of disk drive system
HITACHI GLOBAL STORAGE TECH0 citations52
US6999272B2Feb 14, 2006
Apparatus and method to improve read/write speed of disk drive system
HITACHI GLOBAL STORAGE TECH0 citations52
US6795270B2Sep 21, 2004
Apparatus and method to improve read/write speed of disk drive system
HITACHI GLOBAL STORAGE TECH0 citations52
IBM
13 patentsUS6125003ASep 26, 2000
Disk drive having pivotally mounted shroud
IBM57 citations95
US6166888ADec 26, 2000
Low noise flexible printed circuit cable for a disk drive carriage unit
IBM68 citations94
US6636380B2Oct 21, 2003
Hard disk drive
IBM20 citations92
US6628475B2Sep 30, 2003
Disk drive apparatus, hard disk drive, and enclosure for hard disk drive
IBM28 citations92
US6614613B1Sep 2, 2003
Phase technique for active damping in a servo-controlled actuator
IBM32 citations92
US6604431B1Aug 12, 2003
Apparatus and method for fixing and checking connections of piezoelectric sensor, actuator, and disk unit
IBM25 citations92
US5973888AOct 26, 1999
Crash stop and disk drive employing the crash stop
IBM25 citations92
US5822151AOct 13, 1998
Disk drive apparatus
IBM23 citations92
US6392845B1May 21, 2002
Magnet design for active damping of disk drive actuator
IBM14 citations82
US6445534B1Sep 3, 2002
Disk drive apparatus and hard disk drive
IBM11 citations74
US5896245AApr 20, 1999
Structure in a disk drive system for attaching a load beam to a head actuator carriage including a mountplate having side ends surrounding a swage hole
IBM11 citations74
US5628571AMay 13, 1997
Bearing structure
IBM12 citations74
US6278570B1Aug 21, 2001
Method and apparatus for moving a head arm assembly to a landing zone in a disk drive storage device
IBM5 citations62
MITSUBISHI ELECTRIC CORP
7 patentsUS10361536B2Jul 23, 2019
Power supply apparatus for driving laser diode provided with power supply for supplying power to laser oscillator
MITSUBISHI ELECTRIC CORP1 citations62
US12218482B2Feb 4, 2025
Laser beam generation device and laser processing apparatus including the same
MITSUBISHI ELECTRIC CORP1 citations58
US11888485B2Jan 30, 2024
Pulse power supply device
MITSUBISHI ELECTRIC CORP0 citations52
US11594981B2Feb 28, 2023
Power supply device
MITSUBISHI ELECTRIC CORP0 citations52
US10096972B1Oct 9, 2018
Current control device and current control method
MITSUBISHI ELECTRIC CORP1 citations52
US10522971B2Dec 31, 2019
Laser diode-driving power supply and laser machining apparatus
MITSUBISHI ELECTRIC CORP0 citations51
US12224677B2Feb 11, 2025
Power source device
MITSUBISHI ELECTRIC CORP0 citations50
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
5 patentsUS6743546B1Jun 1, 2004
Laminate sheath type battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD231 citations97
US5700596ADec 23, 1997
Nickel hydroxide active material powder and nickel positive electrode and alkali storage battery using them
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD73 citations95
US5547784AAug 20, 1996
Alkaline storage battery and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations72
US5077149ADec 31, 1991
Nickel/hydrogen storage battery and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations72
US6635382B2Oct 21, 2003
Lithium secondary battery and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations68
TOYOTA MOTOR CO LTD
3 patentsSUMITOMO ELECTRIC INDUSTRIES
1 patentOGUMA YASUMASA
1 patentHITCHI GLOBAL STORAGE TECHNOLO
1 patentShowing the top 50 of 54 patents by PatentIndex Score.