Inventor · disambiguated record
Isao Shirasu
Also filed as: SHIRASU ISAO
7 granted patents·175 citations·filing 1985–1991
87Inventor score
Top patents by PatentIndex Score
7 records- 0184US4839495ALaser beam welding apparatus for an inner circumferential surface of a tubeMITSUBISHI HEAVY IND LTD·Filed 1988·Granted Jun 13, 1989·55 cites·6 claims
- 0275US5097110AReflecting mirror for a laser beam and laser beam welding apparatus, including the same laser beam reflecting mirrorMITSUBISHI HEAVY IND LTD·Filed 1990·Granted Mar 17, 1992·38 cites·18 claims
- 0365US5218258AUltrasonic motor and laser beam welding apparatus using the sameMITSUBISHI HEAVY IND LTD·Filed 1991·Granted Jun 8, 1993·26 cites·10 claims
- 0465US4883185ASuspension type transporter for a bolt drawing machine and positioning controller thereforHOKKAIDO ELECTRIC POWER·Filed 1985·Granted Nov 28, 1989·15 cites·12 claims
- 0548US4744251AApparatus for examining tubular members disposed in axially parallel relationshipMITSUBISHI HEAVY IND LTD·Filed 1986·Granted May 17, 1988·14 cites·6 claims
- 0647US5177808AOptical energy beam transmission path structureMITSUBISHI HEAVY IND LTD·Filed 1990·Granted Jan 5, 1993·15 cites·19 claims
- 0747US4777008AIsolating device for a water chamber in a steam generator for a nuclear reactorMITSUBISHI HEAVY IND LTD·Filed 1985·Granted Oct 11, 1988·12 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →