Inventor
OGAWA SAI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA SAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
4 patentsUS6919387B2Jul 19, 2005
Electromagnetic wave absorber, method of manufacturing the same and appliance using the same
HITACHI LTD20 citations91
US7218266B2May 15, 2007
Electromagnetic wave absorber, method of manufacturing the same and appliance using the same
HITACHI LTD13 citations82
US5242264ASep 7, 1993
Machine on ground provided with heat resistant wall used for isolating from environment and heat resistant wall used therefor
HITACHI LTD16 citations73
US5545484AAug 13, 1996
Heat and oxidation resistive high strength material and its production method
HITACHI LTD16 citations71