Inventor · disambiguated record
Ryuji Hamada
Also filed as: HAMADA RYUJI
20 granted patents·4 pending applications·96 citations·filing 1992–2016
93Inventor score
Files withSHINETSU CHEMICAL CO7SUZUKI MOTOR CORP6NIPPON STEEL & SUMITOMO METAL CORP3HAMADA RYUJI2SUMITOMO METAL IND2
Top patents by PatentIndex Score
24 records- 0190US9816423B2Engine for outboard motorSUZUKI MOTOR CORP·Filed 2016·Granted Nov 14, 2017·5 cites·10 claims
- 0290US9664100B2Outboard motorSUZUKI MOTOR CORP·Filed 2016·Granted May 30, 2017·5 cites·4 claims
- 0375US7438768B2Rare earth element sintered magnet and method for producing rare earth element sintered magnetSHINETSU CHEMICAL CO·Filed 2002·Granted Oct 21, 2008·9 cites·16 claims
- 0475US5636544ACold rolling method for a metal strip and a mill arraySUMITOMO METAL IND·Filed 1992·Granted Jun 10, 1997·17 cites·10 claims
- 0574US9780514B2Component mounting methodPANASONIC IP MAN CO LTD·Filed 2013·Granted Oct 3, 2017·4 cites·2 claims
- 0670US8224063B2Inspection apparatus and inspection methodKAMEDA AKIRA·Filed 2008·Granted Jul 17, 2012·8 cites·4 claims
- 0768US6777097B2Corrosion resistant rare earth magnet and its preparationSHINETSU CHEMICAL CO·Filed 2002·Granted Aug 17, 2004·10 cites·5 claims
- 0867US10059416B2Engine for outboard motorSUZUKI MOTOR CORP·Filed 2016·Granted Aug 28, 2018·2 cites·7 claims
- 0967US7115009B2Outboard motorSUZUKI CO LTD·Filed 2005·Granted Oct 3, 2006·6 cites·5 claims
- 1066US9909479B2Engine for outboard motorSUZUKI MOTOR CORP·Filed 2016·Granted Mar 6, 2018·2 cites·4 claims
- 1166US2009212893A1Corrosion resistant rare earth magnets and process for production thereofSHINETSU CHEMICAL CO·Filed 2009·Application pending·0 cites
- 1264US7156928B2Corrosion-resistant rare earth element magnetSHINETSU CHEMICAL CO·Filed 2002·Granted Jan 2, 2007·4 cites·10 claims
- 1362US8074351B2Part mounting device and part mounting methodHAMADA RYUJI·Filed 2009·Granted Dec 13, 2011·3 cites·6 claims
- 1462US6216505B1Method and apparatus for rolling a stripSUMITOMO METAL IND·Filed 2000·Granted Apr 17, 2001·5 cites·12 claims
- 1557US2007160863A1Corrosion resistant rare earth metal permanent magnets and process for production thereofSHINETSU CHEMICAL CO·Filed 2005·Application pending·0 cites
- 1655US6746545B2Preparation of rare earth permanent magnetsSHINETSU CHEMICAL CO·Filed 2001·Granted Jun 8, 2004·5 cites·12 claims
- 1752US6224986B1Rare earth permanent magnet of high corrosion resistanceSHINETSU CHEMICAL CO·Filed 1999·Granted May 1, 2001·11 cites·11 claims
- 1851US9982594B2Engine for outboard motorSUZUKI MOTOR CORP·Filed 2016·Granted May 29, 2018·0 cites·4 claims
- 1945US8221551B2Apparatus for producing a reflectorILJIMA MASAYUKI·Filed 2007·Granted Jul 17, 2012·0 cites·3 claims
- 2043US10625321B2Cooling apparatus and cooling method for steel materialNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Apr 21, 2020·0 cites·20 claims
- 2143US9938879B2Outboard motorSUZUKI MOTOR CORP·Filed 2016·Granted Apr 10, 2018·0 cites·2 claims
- 2241US2018034070A1Stainless steel sheet for polymer electrolyte fuel cell separatorNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 2339US2017298488A1Ferritic stainless steel material, and, separator for solid polymer fuel cell and solid polymer fuel cell which uses the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Application pending·0 cites
- 2437US8405715B2Inspection apparatus and inspection methodHAMADA RYUJI·Filed 2008·Granted Mar 26, 2013·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →