P

Inventor

YOKOYAMA YUJI

JP61 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

16 patents
US6430103B2Aug 6, 2002

Semiconductor integrated circuit device with memory banks and read buffer capable of storing data read out from one memory bank when data of another memory bank is outputting

HITACHI LTD115 citations97
US6570800B2May 27, 2003

High speed clock synchronous semiconductor memory in which the column address strobe signal is varied in accordance with a clock signal

HITACHI LTD69 citations96
US5398318AMar 14, 1995

High speed, low noise output buffer with non-identical pairs of output transistors

HITACHI LTD26 citations93
US6714477B2Mar 30, 2004

Semiconductor integrated circuit device with memory blocks and a write buffer capable of storing write data from an external interface

HITACHI LTD17 citations92
US5787043AJul 28, 1998

Semiconductor memory device having a redundancy capability

HITACHI LTD24 citations92
US6191990B1Feb 20, 2001

Semiconductor integrated circuit device having stabilizing capacitors connected between power lines of main amplifiers

HITACHI LTD35 citations90
US5680066AOct 21, 1997

Signal transition detector circuit

HITACHI LTD15 citations82
US5619151AApr 8, 1997

Semiconductor device

HITACHI LTD14 citations74
US5387827AFeb 7, 1995

Semiconductor integrated circuit having logic gates

HITACHI LTD13 citations74
US5619455AApr 8, 1997

Pipeline-operating type memory system capable of reading data from a memory array having data width larger than the output data width

HITACHI LTD10 citations73
US5091883AFeb 25, 1992

Semiconductor memory and microprocessor

HITACHI LTD7 citations72
US5675548AOct 7, 1997

Semiconductor integrated circuit having logi gates

HITACHI LTD4 citations63
US5544125AAug 6, 1996

Semiconductor integrated circuit having logic gates

HITACHI LTD4 citations63
US5304868AApr 19, 1994

Non-inverting buffer circuit device and semiconductor memory circuit device

HITACHI LTD3 citations63
US5602782AFeb 11, 1997

Pipeline-operating type memory system capable of reading data from a memory array having data width larger than the output data width

HITACHI LTD1 citations52
US5502820AMar 26, 1996

Microprocessor having high speed, low noise output buffers

HITACHI LTD0 citations52

TOYOTA MOTOR CO LTD

10 patents

FUJITSU LTD

6 patents

PANASONIC CORP

4 patents

TEXAS INSTRUMENTS INC

1 patent

HITAHI LTD

1 patent

ENPLAS CORP

1 patent

YOKOYAMA YUJI

1 patent

RENESAS TECH CORP

1 patent

MORITA MASAHIRO

1 patent

NIPPON OILS & FATS CO LTD

1 patent

PANASONIC IP MAN CO LTD

1 patent

KAWASAKI MOTORS LTD

1 patent

MURATA MANUFACTURING CO

1 patent

GLOBERIDE INC

1 patent

HITACHI ULSI SYS CO LTD

1 patent

AIST

1 patent

SHINOMIYA TOSHIO

1 patent

Showing the top 50 of 61 patents by PatentIndex Score.