Inventor

HIGETA KEIICHI

JP39 patents

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

HIGETA KEIICHI

HITACHI LTD

Semiconductor integration circuit device

Semiconductor integrated circuit

Semiconductor device

Semiconductor memory device

Semiconductor integrated circuit

Semiconductor integrated circuit

High-speed static random access memory

Semiconductor integrated circuit device with interleaved memory and logic blocks

Semiconductor integrated circuit device having circuit inspection function

Data transfer device of serializer/deserializer system

Semiconductor memory device

Semiconductor integrated circuit device

Semiconductor integrated circuit device forming on a common substrate MISFETs isolated by a field oxide and bipolar transistors isolated by a groove

Semiconductor device

Semiconductor integrated circuit and semiconductor logic circuit used in the integrated circuit

Semiconductor integrated circuit and semiconductor logic circuit used in the integrated circuit

Semiconductor integrated circuit device and method of manufacturing the same

Bipolar SRAM having word lines as vertically stacked pairs of conductive lines parallelly formed with holding current lines

Bipolar static RAM having two wiring lines for each word line

Semiconductor memory device

Semiconductor integrated circuit device with isolation grooves and protruding portions

Semiconductor integrated circuit device with a RAM macro having two operation modes for receiving an input signal at different timings

Manufacturing method of semiconductor device

Semiconductor integrated circuit

ECL interface circuit

Semiconductor integrated circuit device

Semiconductor memory device

Semiconductor integrated circuit and image processing system using the same

RENESAS TECH CORP

Semiconductor memory device

Semiconductor integrated circuit device and method of testing it

Semiconductor memory device having improved noise margin, faster read rate and reduced power consumption

Semiconductor memory device

Semiconductor integrated circuit device

Semiconductor integrated circuit device

Semiconductor integrated circuit device

Method of testing a semiconductor integrated device

Semiconductor integrated circuit device

HITACHI ULSI SYS CO LTD

Semiconductor memory device

HITACHI DEVICE ENG

Semiconductor integrated circuit and semiconductor logic circuit used in the integrated circuit