Inventor · disambiguated record
Ryuji Yamaguchi
Also filed as: YAMAGUCHI RYUJI
18 granted patents·6 pending applications·104 citations·filing 1985–2024
92Inventor score
Files withTOKAI RIKA CO LTD10JP STEEL PLANTECH CO3TOYOTA MOTOR CO LTD3NIPPON KOKAN KK2RHEO TECHNOLOGY LTD2
Top patents by PatentIndex Score
24 records- 0186US5144998AProcess for the production of semi-solidified metal compositionRHEO TECHNOLOGY LTD·Filed 1991·Granted Sep 8, 1992·40 cites·5 claims
- 0284US11987205B2Buckle deviceTOKAI RIKA CO LTD·Filed 2022·Granted May 21, 2024·1 cites·11 claims
- 0382US12024116B2Buckle deviceTOKAI RIKA CO LTD·Filed 2022·Granted Jul 2, 2024·1 cites·9 claims
- 0481US11819092B2Buckle deviceTOKAI RIKA CO LTD·Filed 2022·Granted Nov 21, 2023·1 cites·10 claims
- 0573US6825469B2Vehicle visibility assist device and methodTOYOTA MOTOR CO LTD·Filed 2002·Granted Nov 30, 2004·17 cites·16 claims
- 0665US12414612B2Buckle deviceTOKAI RIKA CO LTD·Filed 2024·Granted Sep 16, 2025·0 cites·10 claims
- 0761US12275369B2Buckle deviceTOKAI RIKA CO LTD·Filed 2022·Granted Apr 15, 2025·0 cites·10 claims
- 0859US7656423B2Imaging device and visual recognition support system employing imaging deviceTOYOTA MOTOR CO LTD·Filed 2003·Granted Feb 2, 2010·4 cites·12 claims
- 0959US5110547AProcess and apparatus for the production of semi-solidified metal compositionRHEO TECHNOLOGY LTD·Filed 1991·Granted May 5, 1992·9 cites·14 claims
- 1058US2024351554A1Buckle deviceTOKAI RIKA CO LTD·Filed 2024·Application pending·0 cites
- 1157US2024270200A1Buckle deviceTOKAI RIKA CO LTD·Filed 2024·Application pending·0 cites
- 1257US2024270198A1Buckle deviceTOKAI RIKA CO LTD·Filed 2024·Application pending·0 cites
- 1357US2025136041A1Webbing winding deviceTOKAI RIKA CO LTD·Filed 2024·Application pending·0 cites
- 1455US7045759B2Night vision system and control method thereofTOYOTA MOTOR CO LTD·Filed 2003·Granted May 16, 2006·3 cites·19 claims
- 1553US6693948B2Apparatus for arc-melting cold iron source and method thereofJP STEEL PLANTECH CO·Filed 2003·Granted Feb 17, 2004·6 cites·15 claims
- 1653US6597722B2Apparatus for arc-melting cold iron source and method thereofJP STEEL PLANTECH CO·Filed 2001·Granted Jul 22, 2003·6 cites·10 claims
- 1751US12384090B2Extrusion molding die and extrusion molding machineNGK INSULATORS LTD·Filed 2021·Granted Aug 12, 2025·0 cites·10 claims
- 1851US2024270197A1Buckle deviceTOKAI RIKA CO LTD·Filed 2024·Application pending·0 cites
- 1950US6015696AMycobacterial secretory expression vectors and transformantsAJINOMOTO KK·Filed 1994·Granted Jan 18, 2000·9 cites·9 claims
- 2041US11454568B2Gas component measuring deviceJP STEEL PLANTECH CO·Filed 2018·Granted Sep 27, 2022·0 cites·17 claims
- 2141US9783156B2Webbing guideKK TOKAI-RIKA-DENKI-SEISAKUSHO·Filed 2016·Granted Oct 10, 2017·0 cites·6 claims
- 2239US4674101AArc-heating type extra-furnace refining apparatusNIPPON KOKAN KK·Filed 1985·Granted Jun 16, 1987·5 cites·5 claims
- 2337US2017296573A1Antitumor drug comprising beta-cyclodextrinJRC G K·Filed 2015·Application pending·0 cites
- 2433US4650517AMethod of heating molten steel by arc processNIPPON KOKAN KK·Filed 1986·Granted Mar 17, 1987·2 cites·8 claims
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