Inventor
IGARASHI YOSHIKI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “IGARASHI YOSHIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO ELECTRON LTD
8 patentsUS10707090B2Jul 7, 2020
Plasma etching method
TOKYO ELECTRON LTD41 citations92
US9666446B2May 30, 2017
Etching method
TOKYO ELECTRON LTD43 citations92
US9966273B2May 8, 2018
Plasma etching method
TOKYO ELECTRON LTD3 citations71
US7465673B2Dec 16, 2008
Method and apparatus for bilayer photoresist dry development
TOKYO ELECTRON LTD7 citations70
US12381096B2Aug 5, 2025
Etching method and etching apparatus
TOKYO ELECTRON LTD0 citations56
US11791175B2Oct 17, 2023
Etching method and etching apparatus
TOKYO ELECTRON LTD0 citations56
US9312105B2Apr 12, 2016
Method for etching insulation film
TOKYO ELECTRON LTD1 citations51
US9418863B2Aug 16, 2016
Method for etching etching target layer
TOKYO ELECTRON LTD1 citations50
HITACHI LTD
4 patentsUS5256969AOct 26, 1993
Gradient magnetic field coil for magnetic resonance imaging system
HITACHI LTD60 citations95
US4903703AFeb 27, 1990
Conversation device of MR imaging apparatus
HITACHI LTD52 citations91
USD347063SMay 17, 1994
Magnetic resonance imaging scanner
HITACHI LTD47 citations90
US5189372AFeb 23, 1993
Silencer for magnetic field gradient coils in a magnetic resonance imaging apparatus
HITACHI LTD12 citations72