Inventor
MICHIGUCHI YOSHIHIRO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “MICHIGUCHI YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS5663502ASep 2, 1997
Method and apparatus for measuring thickness of layer using acoustic waves
HITACHI LTD116 citations97
US5081456AJan 14, 1992
Method of detecting unknown object and apparatus therefor
HITACHI LTD106 citations96
US4706031ANov 10, 1987
Method and system for detecting an object with a radio wave
HITACHI LTD74 citations95
US4677438AJun 30, 1987
Method and apparatus for detecting an object or a condition indicating a defect in a medium
HITACHI LTD48 citations92
US4577151AMar 18, 1986
Spark monitor device for current collectors
HITACHI LTD58 citations92
US4586378AMay 6, 1986
Unknown sound evaluating method and apparatus
HITACHI LTD10 citations73