Inventor

IWAMOTO HISASHI

JP55 patents

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

IWAMOTO HISASHI

MITSUBISHI ELECTRIC CORP

Memory module system having multiple memory modules

Synchronous semiconductor memory device and synchronous memory module

Synchronous semiconductor memory device

Synchronous type semiconductor memory device operating in synchronization with an external clock signal

Synchronous semiconductor memory device

Semiconductor device capable of generating highly precise internal clock

Internal clock signal generating circuit having function of generating internal clock signals which are multiplication of an external clock signal

Synchronous semiconductor memory device

Synchronous semiconductor memory device

Semiconductor memory device and data transfer circuit for transferring data between a DRAM and a SRAM

Synchronous semiconductor memory device which can be inspected even with low speed tester

Internal clock signal generation circuit including delay line, and synchronous type semiconductor memory device including internal clock signal

Synchronous semiconductor memory device operable in a plurality of data write operation modes

Synchronous semiconductor memory device

Synchronous semiconductor memory device which allows switching of bit configuration

Voltage control type delay circuit and internal clock generation circuit using the same

Semiconductor memory device

Synchronous semiconductor memory device having a mode requiring an internal clock signal and a mode not requiring the internal clock signal

Semiconductor memory device including a data transfer circuit for transferring data between a DRAM and an SRAM

Semiconductor memory device

Semiconductor memory device

Synchronous type semiconductor memory device operating in synchronization with an external clock signal

Semiconductor memory device

Output circuit and synchronous semiconductor memory device having a function of preventing output of invalid data

Semiconductor device with test mode for performing efficient calibration of measuring apparatus

Synchronous semiconductor memory including register for storing data input and output mode information

Semiconductor memory device with an internal voltage generating circuit

Synchronous semiconductor memory device

Synchronous semiconductor memory device allowing fast operation in either of prefetch operation and full page mode operation

Synchronous semiconductor memory device reliably fetching external signal in synchronization with clock signal periodically supplied from the exterior

Synchronous semiconductor memory device realizing high speed and accurate operation

Dynamic random access memory device capable of performing test mode operation and method of operating such memory device

Synchronous semiconductor memory device

Synchronous semiconductor memory device including internal clock signal generation circuit that generates an internal clock signal synchronizing in phase with external clock signal at high precision

Input buffer for supplying semiconductor device with internal signal based on comparison of external signal with reference potential

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Semiconductor memory device

Phase comparator with improved comparison precision and synchronous semiconductor memory device employing the same

Synchronous semiconductor memory device capable of reducing delay time at data input/output line upon data input

Synchronous semiconductor device with memory chips in a module for controlling output of strobe signal for trigger in reading data

Output buffer circuit that can be shared by a plurality of interfaces and a semiconductor device using the same

RENESAS TECH CORP

Semiconductor device allowing easy confirmation of operation of built in clock generation circuit

Semiconductor device with clock generation circuit

Semiconductor device outputting data at a timing with reduced jitter

IWAMOTO HISASHI

Semiconductor storage device operative to search for data

MITSUBISHI ELECTRIC ENG

Semiconductor memory device

SONY CORP

High voltage generator for television receiver