Inventor

FUKUMURA KEIJI

JP9 patents

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

RICOH KK

3 patents

US4774692ASep 27, 1988

Sense circuit of a semiconductor memory device

RICOH KK7 citations71

US4990999AFeb 5, 1991

Semiconductor memory device using high-density and high-speed MOS elements

RICOH KK8 citations68

US5953262ASep 14, 1999

Output circuit of a semiconductor memory device for providing an intermediate potential to an output terminal

RICOH KK1 citations50

FUKUMURA KEIJI

2 patents

US9063558B2Jun 23, 2015

Current limiting circuit configured to limit output current of driver circuit

FUKUMURA KEIJI35 citations91

US8415811B2Apr 9, 2013

Semiconductor package and electronic component package

FUKUMURA KEIJI7 citations80

CREATIVE INTEGRATED SYST INC

2 patents

US5608687AMar 4, 1997

Output driver control for ROM and RAM devices

CREATIVE INTEGRATED SYST INC12 citations72

US5487038AJan 23, 1996

Method for read cycle interrupts in a dynamic read-only memory

CREATIVE INTEGRATED SYST INC8 citations72

SUMITOMO ELECTRIC INDUSTRIES

1 patent

US4574950AMar 11, 1986

Wafer box

SUMITOMO ELECTRIC INDUSTRIES45 citations91

CREATIVE INTEGRATED STSTEMS IN

1 patent

US5870346AFeb 9, 1999

VLSI memory circuit

CREATIVE INTEGRATED STSTEMS IN9 citations68