Inventor

MATSUMOTO MASAAKI

JP77 patents

⚠️ This page may combine multiple inventors who share the name “MATSUMOTO MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUMOTO MASAAKI

HITACHI LTD

Magnetic disk device and magnetic head slider

Magnetic disk apparatus and method of controlling the same

Magnetic head slider

Magnetic head gimbal assembly of a magnetic disk unit having a load point matched with the center of impact

Magnetic disk drive with air bearing surface pad on movable portion and method of controlling

Magnetic head slider having optimized ratio of negative pressure recess to front step bearing

Magnetic head supporting apparatus having thermally insulated read/write IC mounted on arm portions thereof

Magnetic disc apparatus having slider which reduces variation in lift-up caused by change in air pressure

Magnetic disk apparatus employing liquid bearing type or physical contact type magnetic head slider

Magnetic disk apparatus using a rotary actuator for magnetic head positioning with reduced vibration

Negative pressure flying head slider having siderails with narrow width portion

Magnetic head supporting apparatus having a fulcrum point of load support offset from a slider center in an air upstream direction

Magnetic disk drive having arm displacement limit mechanism for shock resistance

Magnetic disk device and magnetic head slider

Magnetic disk device and magnetic head slider

Magnetic disk device and magnetic head slider

Magnetic head supporting apparatus having thermally insulated IC mounted on an arm portion

Magnetic head gimbal assembly and magnetic disk unit

Magnetic head gimbal assembly and magnetic disk unit

Negative pressure flying head slider having improved side rails construction

Disk unit

Thin external memory unit with hard disk

Magnetic-head slider support mechanism and magnetic recording apparatus

Magnetic head suspension having selected thicknesses for enhancing rigidity

HITACHI GLOBAL STORAGE TECH

Magnetic head heating element in a disk drive

Magnetic disk apparatus and method of controlling the same

Magnetic head heating element in a disk drive

Magnetic disk device and magnetic head slider

Magnetic head gimbal assembly and magnetic disk unit

Magnetic head gimbal assembly and magnetic disk unit

Magnetic head slider and magnetic disc unit

CATEYE CO LTD

Exerciser in which exercising load is controlled based on individual data stored in an optical data card

Stationary bike

Running distance indicator for exercising machine

Adjustable recumbent bicycle exerciser

TSUBAKIMOTO CHAIN CO

Silent chain

Frictional transmission chain

Link plate for silent chains and method of producing the same

Plate for a silent chain

KOYO SEIKO CO

Bearing with improved lubrication seals

Bearing system for a wheel

Bearing structure with improved lubricating seals for supporting shaft element

TOSHIBA IND PRODUCTS & SYSTEMS CORP

Insulator, stator, and rotating electric machine

Synchronous reluctance type rotary electric machine

Insulator, stator, and rotating electric machine

TSUYAMA MFG CO LTD

Device for detachably attaching electric appliances

Detector attachment arrangement

PIONEER CORP

Method and apparatus for reproducing information data from partial CD-R

DKS CO LTD

Electrode binder composition, electrode coating liquid composition, power storage device electrode, and power storage device

MITSUBISHI ELECTRIC CORP

Fuel cell