Inventor

SHIMOHIGASHI KATSUHIRO

JP60 patents

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

SHIMOHIGASHI KATSUHIRO

HITACHI LTD

Semiconductor memory

Semiconductor memory having multiple level storage structure

Dynamic memory device, a memory module, and a method of refreshing a dynamic memory device

Semiconductor CMOS memory device with separately biased wells

Semiconductor memory device having bipolar transistor and structure to avoid soft error

Semiconductor memory device having flip-flop circuits

Sense amplifier for a memory device

High speed MOSFET output buffer with low noise

Method for selectively initiating/terminating a test mode in an address multiplexed DRAM and address multiplexed DRAM having such a capability

Dynamic random access memory having a trench capacitor

Dynamic RAM device having a separate test mode capability

Semiconductor memory having error correcting means

Semiconductor memory for serial data access

Programmable semiconductor integrated circuitry including a programming semiconductor element

Semiconductor memory device having separately biased wells for isolation

Data processor for selective simultaneous execution of a delay slot instruction and a second subsequent instruction the pair following a conditional branch instruction

Semiconductor associative memory device with current sensing

Highly stable semiconductor memory with a small memory cell area

Constant current-constant voltage circuit

Semiconductor device having a voltage limiter

Semiconductor memory

Dynamic random access memory capable of fast erasing of storage data

Stacked static random access memory cell having capacitor

Semiconductor memory using multiple level storage structure

Semiconductor memory having circuit effecting refresh on variable cycles

Semiconductor memory device

Semiconductor memory device

Semiconductor memory having redundancy circuit for relieving defects

Semiconductor memory device having increased capacitance for the storing nodes of the memory cells

Semiconductor memory with automatic refresh means

Insulated gate field effect transistor

Semiconductor memory

Address multiplexed dynamic RAM having a test mode capability

Method of testing memory cells in an address multiplexed dynamic ram including test mode selection

Dynamic monolithic memory

Dynamic memory with an interchangeable pair of data lines and sense amplifiers

Method of testing an address multiplexed dynamic RAM

Semiconductor memory

Semiconductor memory

Semiconductor memory

Logic circuit and data processing apparatus using the same

BiCMOS logic circuit using 0.5 micron technology and having an operating potential difference of less than 4 volts

Homo-junction bipolar transistor having high base concentration and suitable for low temperature operation

Semiconductor memory

Semiconductor memory

Semiconductor memory

RENESAS TECH CORP

Semiconductor memory device

Semiconductor memory device

HITACHI MAXELL

Semiconductor apparatus with two activating modes of different number of selected word lines at refreshing

Memory cartridge and its memory control method