Inventor
YAMADA KATSUO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA KATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FDK CORP
7 patentsUS6556117B1Apr 29, 2003
Multi-channel uniform output type transformer
FDK CORP35 citations92
US5929603AJul 27, 1999
Apparatus for preventing over-discharge
FDK CORP34 citations89
US7218196B2May 15, 2007
Noncontact coupler
FDK CORP12 citations84
US6573820B2Jun 3, 2003
Inductor
FDK CORP14 citations81
US5661394AAug 26, 1997
Switching power supply
FDK CORP15 citations72
US6861938B2Mar 1, 2005
High-frequency power inductance element
FDK CORP0 citations49
US7345567B2Mar 18, 2008
Inverter transformer
FDK CORP1 citations48
SANDISK TECHNOLOGIES LLC
4 patentsUS10115459B1Oct 30, 2018
Multiple liner interconnects for three dimensional memory devices and method of making thereof
SANDISK TECHNOLOGIES LLC34 citations94
US9847249B2Dec 19, 2017
Buried etch stop layer for damascene bit line formation
SANDISK TECHNOLOGIES LLC5 citations72
US9799527B2Oct 24, 2017
Double trench isolation
SANDISK TECHNOLOGIES LLC3 citations72
US12438100B2Oct 7, 2025
Three-dimensional memory device with multiple types of support pillar structures and method of forming the same
SANDISK TECHNOLOGIES LLC0 citations47
SANDISK TECHNOLOGIES INC
4 patentsUS9177853B1Nov 3, 2015
Barrier layer stack for bit line air gap formation
SANDISK TECHNOLOGIES INC9 citations83
US9391081B1Jul 12, 2016
Metal indentation to increase inter-metal breakdown voltage
SANDISK TECHNOLOGIES INC4 citations71
US9466523B2Oct 11, 2016
Contact hole collimation using etch-resistant walls
SANDISK TECHNOLOGIES INC2 citations60
US9607997B1Mar 28, 2017
Metal line with increased inter-metal breakdown voltage
SANDISK TECHNOLOGIES INC0 citations50