Inventor · disambiguated record
Ryoji Matsui
Also filed as: MATSUI RYOJI
15 granted patents·6 pending applications·53 citations·filing 2004–2022
87Inventor score
Files withJFE STEEL CORP7MATSUI RYOJI5SUMITOMO RUBBER IND5PANASONIC HOLDINGS CORP1SANYO ELECTRIC CO1
Top patents by PatentIndex Score
21 records- 0183US8310094B2Power supply systemYAMADA KAZUO·Filed 2007·Granted Nov 13, 2012·34 cites·34 claims
- 0275US12172487B2Electric-resistance-welded steel pipe for producing hollow stabilizer, hollow stabilizer, and method for producing sameJFE STEEL CORP·Filed 2019·Granted Dec 24, 2024·0 cites·18 claims
- 0372US8362648B2Electric power supply systemSHARP KK·Filed 2008·Granted Jan 29, 2013·11 cites·5 claims
- 0469US11440125B2Electric resistance welded steel pipe for producing hollow stabilizer, hollow stabilizer, and production methods for sameJFE STEEL CORP·Filed 2019·Granted Sep 13, 2022·0 cites·12 claims
- 0568US12037655B2Electric resistance welded steel pipe or tubeJFE STEEL CORP·Filed 2019·Granted Jul 16, 2024·0 cites·8 claims
- 0668US11772422B2Tire rubber composition and tireSUMITOMO RUBBER IND·Filed 2020·Granted Oct 3, 2023·0 cites·18 claims
- 0766US12398217B2Rubber composition and pneumatic tireSUMITOMO RUBBER IND·Filed 2020·Granted Aug 26, 2025·0 cites·12 claims
- 0865US12410497B2Electric-resistance-welded steel pipe or tube for hollow stabilizerJFE STEEL CORP·Filed 2020·Granted Sep 9, 2025·0 cites·4 claims
- 0960US12264388B2Electric-resistance-welded steel pipe or tube for hollow stabilizer and method of manufacturing sameJFE STEEL CORP·Filed 2020·Granted Apr 1, 2025·0 cites·4 claims
- 1057US11866586B2Rubber composition for tires and tireSUMITOMO RUBBER IND·Filed 2020·Granted Jan 9, 2024·0 cites·7 claims
- 1155US8705251B2Bidirectional DC/DC converter and power conditionerMATSUI RYOJI·Filed 2009·Granted Apr 22, 2014·5 cites·10 claims
- 1252US9130388B2Contactless electricity-supplying deviceMATSUI RYOJI·Filed 2010·Granted Sep 8, 2015·1 cites·11 claims
- 1352US2022371372A1Pneumatic tireSUMITOMO RUBBER IND·Filed 2020·Application pending·0 cites
- 1448US2020369087A1Pneumatic tireSUMITOMO RUBBER IND·Filed 2018·Application pending·0 cites
- 1547US10301703B2High-strength welded steel pipe for airbag inflator and method for manufacturing the sameJFE STEEL CORP·Filed 2015·Granted May 28, 2019·0 cites·6 claims
- 1647US6995915B2Manufacturing method of micro-lens, manufacturing method of solid-state image pickup device and solid-state image pickup deviceSANYO ELECTRIC CO·Filed 2004·Granted Feb 7, 2006·2 cites·8 claims
- 1746US11332812B2Electric resistance welded steel tubes for high-strength thin hollow stabilizers, and methods for manufacturing the sameJFE STEEL CORP·Filed 2017·Granted May 17, 2022·0 cites·8 claims
- 1846US2024106322A1Power conversion system and control methodPANASONIC HOLDINGS CORP·Filed 2022·Application pending·0 cites
- 1936US2010117602A1Secondary battery protection circuitMATSUI RYOJI·Filed 2010·Application pending·0 cites
- 2035US2012047386A1Control apparatus and control methodMATSUI RYOJI·Filed 2010·Application pending·0 cites
- 2134US2013257152A1Dc power supply systemMATSUI RYOJI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →