Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Non-volatile semiconductor memory device including memory transistor with a composite gate structure

Non-volatile semiconductor memory device including memory transistor with a composite gate structure

US Patent 5780893 · Granted Jul 14, 1998

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Product-sum calculation device and product-sum calculation method2024
Storage device2020
Method for fabricating a semiconductor storage device having an increased dielec2010
Method for fabricating a semiconductor storage device having an increased dielec2005
METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE, HAVING FIRST AND SECOND SEMICOND2003
Method of manufacturing a semiconductor device having regions of different condu2002
METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE, HAVING FIRST AND SECOND SEMICOND2002
Composite gate structure memory cell having increased capacitance2001
Non-volatile semiconductor memory device including memory transistor with a comp2001
Semiconductor device having semiconductor regions of different conductivity type2001
Semiconductor memory using different concentration impurity diffused layers1998