P

Inventor

SUGAWARA KEN

JP10 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI MAXELL

4 patents
US5550781AAug 27, 1996

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

HITACHI MAXELL80 citations95
US5430681AJul 4, 1995

Memory cartridge and its memory control method

HITACHI MAXELL30 citations91
US5086388AFeb 4, 1992

Semiconductor serial/parallel-parallel/serial file memory and storage system

HITACHI MAXELL21 citations79
US4958323ASep 18, 1990

Semiconductor file memory

HITACHI MAXELL14 citations68

OLYMPUS OPTICAL CO

2 patents
US5404490AApr 4, 1995

Photomagnetic signal detecting device

OLYMPUS OPTICAL CO13 citations72
US5513121AApr 30, 1996

Optical head

OLYMPUS OPTICAL CO13 citations71

OLYMPUS IMAGING CORP

1 patent
US7280854B2Oct 9, 2007

Portable information terminal cradle apparatus

OLYMPUS IMAGING CORP18 citations83

DOWA METALTECH CO LTD

1 patent
US9944565B2Apr 17, 2018

Metal/ceramic bonding substrate and method for producing same

DOWA METALTECH CO LTD6 citations79

YAMAMOTO YASUYUKI

1 patent
US8115114B2Feb 14, 2012

Ceramic substrate manufacturing method and ceramic substrate

YAMAMOTO YASUYUKI1 citations50

TOKUYAMA CORP

1 patent
US10508035B2Dec 17, 2019

Aluminum nitride powders

TOKUYAMA CORP0 citations49