Inventor
OSHIMA MASATSUGU
JP5 patents
⚠️ This page may combine multiple inventors who share the name “OSHIMA MASATSUGU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK INSULATORS LTD
4 patentsUS5710529AJan 20, 1998
Surface acoustic wave filer device having a cascade filter structure and a piezoelectric substrate having mirror-polished surfaces
NGK INSULATORS LTD11 citations72
US7184631B2Feb 27, 2007
Optical device
NGK INSULATORS LTD6 citations61
US5273791ADec 28, 1993
Method of improving the corrosion resistance of a metal
NGK INSULATORS LTD6 citations60
US6961493B2Nov 1, 2005
Optical device
NGK INSULATORS LTD1 citations51