Inventor

KOSHIKAWA YASUJI

JP63 patents

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

KOSHIKAWA YASUJI

NEC CORP

Semiconductor memory device

Semiconductor pipeline memory device eliminating time loss due to difference between pipeline stages from data access

Semiconductor integrated circuit device equipped with substrate biasing system selectively powered from internal and external power sources

Clock synchronization semiconductor memory device

Semiconductor memory device

Delay circuit device having a reduced current consumption

Synchronous semiconductor memory device and method of controlling sensing process of synchronous dynamic RAM

Synchronous semiconductor memory having a write execution time dependent upon a cycle time

Semiconductor memory device having built-in test circuits selectively activated by decoder circuit

Integrated circuit for protecting internal circuitry from high voltage input test signals

Semiconductor integrated circuit device having voltage regulating unit for variable internal power voltage level

Power-on detecting circuit desirable for integrated circuit equipped with internal step-down circuit

Semiconductor memory device and method for relieving defective memory cells

Semiconductor storage device having redundancy circuit for replacement of defect cells under tests

Semiconductor storage device having redundancy circuit for replacement of defect cells under tests

Semiconductor memory device

Semiconductor memory device having a test mode decision circuit

Clock synchronization semiconductor memory device

Semiconductor storage device

Semiconductor memory device with a redundant decoder having a small scale in circuitry

Semiconductor memory device

Read bus controlling apparatus for semiconductor storage device

Synchronous semiconductor memory device capable of improving load of clock signal line

Data output control circuit of semiconductor memory device having pipeline structure

Semiconductor memory having high speed and low power data read/write circuit

Memory in which improvement is made as regards a precharge operation of data readout routes

Semiconductor integrated circuit device having low power consumption voltage monitoring circuit for built-in step-down voltage generator

Reference potential generating circuit

Semiconductor integrated circuit

Synchronous semiconductor memory device

Synchronous semiconductor storage device

Semiconductor memory device having fewer memory cell plates being activated in a test mode than in a normal mode

Semiconductor memory device with plural trigger circuits for data output

ELPIDA MEMORY INC

Semiconductor device

Semiconductor memory device and method for manufacturing same

Semiconductor memory device having a refresh cycle changing circuit

Semiconductor device

Semiconductor memory device that requires refresh operations

Semiconductor device

Semiconductor storage device

Semiconductor memory device with refreshment control

Semiconductor memory device of hierarchy word type and sub word driver circuit

Semiconductor storage device and method for remedying defects of memory cells

Semiconductor memory device, control method therefor, and method for determining repair possibility of defective address

Semiconductor memory device

Semiconductor device

Semiconductor memory device having plural memory cell arrays

Semiconductor memory device

Semiconductor memory device which controls refresh of a memory array in normal operation

Semiconductor storage device