Inventor · disambiguated record
Ren Morinaka
Also filed as: MORINAKA REN
16 granted patents·1 pending application·386 citations·filing 1994–2014
94Inventor score
Top patents by PatentIndex Score
17 records- 0194US6341151B1Preventive maintenance method and apparatus of a structural member in a reactor pressure vesselHITACHI LTD·Filed 2000·Granted Jan 22, 2002·29 cites·11 claims
- 0294US5977515AUnderwater laser processing device including chamber with partitioning wallHITACHI LTD·Filed 1995·Granted Nov 2, 1999·126 cites·16 claims
- 0388US7716961B2Method for executing water jet peeningHITACHI GE NUCLEAR ENERGY LTD·Filed 2008·Granted May 18, 2010·14 cites·12 claims
- 0486US6519991B2Water jet peening apparatusHITACHI LTD·Filed 2002·Granted Feb 18, 2003·16 cites·21 claims
- 0586US6425276B1Water jet peening apparatusHITACHI LTD·Filed 2000·Granted Jul 30, 2002·28 cites·21 claims
- 0682US5897062AFluid jet nozzle and stress improving treatment method using the nozzleHITACHI LTD·Filed 1996·Granted Apr 27, 1999·58 cites·11 claims
- 0781US6058153APreventive maintenance apparatus for structural members in a nuclear pressure vesselHITACHI LTD·Filed 1998·Granted May 2, 2000·23 cites·6 claims
- 0878US5519741ASystem for inspection and mending in a reactor vessel of a nuclear reactorHITACHI LTD·Filed 1994·Granted May 21, 1996·22 cites·12 claims
- 0972US6639962B2Preventive maintenance method and apparatus of a structural member in a reactor pressure vesselHITACHI LTD·Filed 2002·Granted Oct 28, 2003·8 cites·5 claims
- 1071US5749384AMethod and apparatus for performing preventive maintenance on the bottom portion of a reactor pressure vessel using cavitation bubblesHITACHI LTD·Filed 1995·Granted May 12, 1998·18 cites·14 claims
- 1169US6240155B1Preventive maintenance apparatus for structural members in a nuclear pressure vesselHITACHI LTD·Filed 1999·Granted May 29, 2001·14 cites·11 claims
- 1254US6345083B1Preventive maintenance method and apparatus of a structural member in a reactor pressure vesselHITACHI LTD·Filed 1999·Granted Feb 5, 2002·7 cites·10 claims
- 1354US5553106AResidual stress improving method for members in reactor pressure vesselHITACHI LTD·Filed 1995·Granted Sep 3, 1996·21 cites·11 claims
- 1452US10286501B2Laser welding apparatus, preventive maintenance method for reactor internal of nuclear power plant, and laser cutting apparatusHITACHI GE NUCLEAR ENERGY LTD·Filed 2014·Granted May 14, 2019·0 cites·2 claims
- 1551US9067303B2Method of executing shot peeningHITACHI GE NUCLEAR ENERGY LTD·Filed 2013·Granted Jun 30, 2015·0 cites·10 claims
- 1647US2014233689A1Water Jet Peening Apparatus and Water Jet Peening MethodHITACHI GE NUCLEAR ENERGY LTD·Filed 2014·Application pending·0 cites
- 1731US5793203AMeasurement system with noise reduction circuitHITACHI LTD·Filed 1995·Granted Aug 11, 1998·2 cites·54 claims
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