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4d s ltd

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    124,561
About

4d s ltd has a total of 16 patent applications. Its first patent ever was published in 2013. It filed its patents most often in United States, Taiwan and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets computer technology, semiconductors and electrical machinery and energy are INTEGRATED MEMORY TECH INC, JIANGSU ADVANCED MEMORY TECH CO LTD and FERROELECTRIC MEMORY GMBH.

Patent filings in countries

World map showing 4d s ltds patent filings in countries

Patent filings per year

Chart showing 4d s ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Desu Seshubabu 14
#2 Van Buskirk Michael 7
#3 Cleveland Lee 2
#4 Yang-Scharlotta Jean 1
#5 Nagashima Makoto 1
#6 Pfluger Kurt 1
#7 Tan Theng Kiat Peter 1
#8 Schuette Franz Michael 1

Latest patents

Publication Filing date Title
US10381558B1 Resistive memory device having a retention layer
US2019288197A1 Resistive memory device having ohmic contacts
US10319907B1 Resistive memory device having a template layer
US2019288196A1 Resistive memory device having a conductive barrier layer
US2014269007A1 Complementary metal oxide or metal nitride heterojunction memory devices with asymmetric hysteresis property
US2014376299A1 Methods and circuits for bulk erase of resistive memory