Inventor

OGIHARA MASAKI

JP31 patents

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

OGIHARA MASAKI

TOSHIBA KK

Semiconductor device having different impurity concentration wells

Dynamic type memory

Dynamic type memory

Screening circuitry for a dynamic random access memory

Redundancy circuit having a spare memory block replacing defective memory cells in different blocks

DRAM using word line potential control circuitcircuit

Semiconductor memory device having redundant circuit

Semiconductor device having different impurity concentration wells

Semiconductor memory device having switching circuit for coupling together two pairs of bit lines

Semiconductor memory device allowing change of refresh mode and address switching method therewith

Semiconductor integrated circuit device allowing change of product specification and chip screening method therewith

Semiconductor integrated circuit allowing change of product specification and chip screening method therewith

Semiconductor device having different impurity concentration wells

Semiconductor device having different impurity concentration wells

Semiconductor integrated circuit device allowing change of product specification and chip screening method therewith

Dram using word line potential circuit control

Dram using word line potential control circuit

Semiconductor memory apparatus with configured word lines to reduce noise

Semiconductor memory device having test mode

Semiconductor device

Semiconductor device having different impurity concentration wells

Semiconductor device having a plurality of fets formed in an element area

Semiconductor memory having barrier transistors connected between sense and restore circuits

Method and apparatus for selecting disconnecting first and second bit line pairs for sensing data output from a drain at a high speed

Dynamic memory

Multicell semiconductor memory device

Dynamic type memory

Semiconductor integrated circuit device allowing change of product specification and chip screening method therewith

HITACHI LTD

Distribution management method and system

Distribution management method and system