Inventor
ISHIGAKI YUKIO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGAKI YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS4920095AApr 24, 1990
Superconducting energy storage device
HITACHI LTD25 citations92
US6688106B2Feb 10, 2004
Waste processing system and fuel reformer used in the waste processing system
HITACHI LTD22 citations91
US5532638AJul 2, 1996
Superconducting energy storage apparatus
HITACHI LTD21 citations89
US6282902B1Sep 4, 2001
Waste processing system and fuel reformer used in the waste processing system
HITACHI LTD7 citations72
US6058856AMay 9, 2000
Waste processing system and fuel reformer used in the waste processing system
HITACHI LTD12 citations72
US6014863AJan 18, 2000
Waste processing system and fuel reformer used in the waste processing system
HITACHI LTD12 citations72
US5218505AJun 8, 1993
Superconductor coil system and method of operating the same
HITACHI LTD18 citations70
US6442938B2Sep 3, 2002
Waste processing system and fuel reformer used in the waste processing system
HITACHI LTD1 citations61
ADVANTEST CORP
3 patentsUS6369601B1Apr 9, 2002
Method of measuring a propagation delay time through a transmission path in a semiconductor integrated circuit testing apparatus and semiconductor integrated circuit testing apparatus using the same
ADVANTEST CORP45 citations91
US6417682B1Jul 9, 2002
Semiconductor device testing apparatus and its calibration method
ADVANTEST CORP46 citations90
US6828799B2Dec 7, 2004
Propagation delay time measuring method and testing apparatus
ADVANTEST CORP2 citations58