Inventor · disambiguated record
Kazutaka Katayama
Also filed as: KATAYAMA KAZUTAKA
40 granted patents·37 pending applications·355 citations·filing 1998–2024
97Inventor score
Top patents by PatentIndex Score
77 records- 0194US6543785B1Packing structureTOKAI RUBBER IND LTD·Filed 2000·Granted Apr 8, 2003·57 cites·17 claims
- 0288US7011114B2Automotive fuel hoseTOKAI RUBBER IND LTD·Filed 2004·Granted Mar 14, 2006·36 cites·11 claims
- 0386US7150295B2Fuel cell hoseTOKAI RUBBER IND LTD·Filed 2006·Granted Dec 19, 2006·8 cites·8 claims
- 0485US7150294B2Fuel cell hoseTOKAI RUBBER IND LTD·Filed 2005·Granted Dec 19, 2006·7 cites·16 claims
- 0585US6631741B2Metal-composite corrugated hoses and a process for manufacturing the sameTOKAI RUBBER IND LTD·Filed 2001·Granted Oct 14, 2003·33 cites·11 claims
- 0681US8227061B2Heat resistant air hoseNODA MASASHI·Filed 2007·Granted Jul 24, 2012·7 cites·13 claims
- 0781US8210213B2Multilayer tubeMIYAMOTO YASUMITSU·Filed 2009·Granted Jul 3, 2012·7 cites·12 claims
- 0878US6619329B2HoseTOKAI RUBBER IND LTD·Filed 2001·Granted Sep 16, 2003·18 cites·5 claims
- 0978US6602565B1Method of producing fuel hose and fuel hose obtained therebyTOKAI RUBBER IND LTD·Filed 1999·Granted Aug 5, 2003·32 cites·8 claims
- 1078US6576313B2Bonded laminate structure, hose containing the bonded laminate structure, and methods for producing the sameTOKAI RUBBER IND LTD·Filed 2002·Granted Jun 10, 2003·14 cites·7 claims
- 1173US7517563B2Hose of impermeability and a process for manufacturing the sameTOKAI RUBBER IND LTD·Filed 2005·Granted Apr 14, 2009·2 cites·2 claims
- 1271US6481464B1Check valveTOKAI RUBBER IND LTD·Filed 2002·Granted Nov 19, 2002·15 cites·3 claims
- 1369US8273432B2Automotive fuel hoseMIZUTANI KOJI·Filed 2009·Granted Sep 25, 2012·6 cites·6 claims
- 1468US6267148B1Conductive resin tube and conductive polyamide resin compositionTOKAI RUBBER IND LTD·Filed 1998·Granted Jul 31, 2001·33 cites·8 claims
- 1567US10066773B2Piping connection structureSUMITOMO RIKO CO LTD·Filed 2014·Granted Sep 4, 2018·2 cites·12 claims
- 1667US8765244B2Resin-made inlet pipe and method of producing the pipeTOKAI RUBBER IND LTD·Filed 2012·Granted Jul 1, 2014·2 cites·14 claims
- 1767US6926924B2Metal-composite hose and a process for manufacturing the sameTOKAI RUBBER IND LTD·Filed 2002·Granted Aug 9, 2005·5 cites·10 claims
- 1866US6599640B2Vibration damper including polyamide-resin member covered by elastic layer, and method of producing the sameTOKAI RUBBER IND LTD·Filed 2001·Granted Jul 29, 2003·11 cites·11 claims
- 1966US6517118B2Hose device for fuel transportationTOKAI RUBBER IND LTD·Filed 2002·Granted Feb 11, 2003·14 cites·24 claims
- 2065US6443185B1Fuel hoseTOKAI RUBBER IND LTD·Filed 2001·Granted Sep 3, 2002·12 cites·2 claims
- 2164US2025071913A1Electronic component unit and wire harnessYAZAKI CORP·Filed 2024·Application pending·0 cites
- 2263US8739836B2Refrigerant-transporting hoseTOKAI RUBBER IND LTD·Filed 2012·Granted Jun 3, 2014·1 cites·20 claims
- 2362US9803084B2Resin composition for fuel tubes, and fuel tubeSUMITOMO RIKO CO LTD·Filed 2014·Granted Oct 31, 2017·0 cites·6 claims
- 2462US6401761B1Hydrogen fuel hoseTOKAI RUBBER IND LTD·Filed 2001·Granted Jun 11, 2002·17 cites·20 claims
- 2560US10533076B2Resin composition and method for producing pearly molded bodyTOYO INK SC HOLDINGS CO LTD·Filed 2016·Granted Jan 14, 2020·0 cites·9 claims
- 2660US9163754B2Resin-made fuel inlet pipe, and method for producing sameTOKAI RUBBER IND LTD·Filed 2013·Granted Oct 20, 2015·1 cites·20 claims
- 2759US12370864B2In-vehicle ventilation systemYAZAKI CORP·Filed 2022·Granted Jul 29, 2025·0 cites·3 claims
- 2858US8609200B2Hose with sealing layer, direct-connect assembly including the same and method of manufacturing the sameINOUE TOMOKI·Filed 2009·Granted Dec 17, 2013·0 cites·16 claims
- 2957US6808671B2Method for manufacturing fuel hose and ultraviolet crosslinking composition used thereforTOKAI RUBBER IND LTD·Filed 2001·Granted Oct 26, 2004·3 cites·8 claims
- 3057US2022093928A1Sheet-shaped flexible electrode and method for producing the sameSUMITOMO RIKO CO LTD·Filed 2021·Application pending·0 cites
- 3156US8673417B2Hose for gasohol fuelSAKAZAKI KAZUSHIGE·Filed 2008·Granted Mar 18, 2014·0 cites·9 claims
- 3255US2014193597A1Resin fuel tubeTOKAI RUBBER IND LTD·Filed 2014·Application pending·0 cites
- 3355US2007194481A1Hose production methodTOKAI RUBBER IND LTD·Filed 2006·Application pending·0 cites
- 3454US2006070677A1Hose with sealing layer, direct-connect assembly including the same, and method of manufacturing the sameTOKAI RUBBER IND LTD·Filed 2005·Application pending·0 cites
- 3553US12352093B2In-vehicle ventilation systemYAZAKI CORP·Filed 2022·Granted Jul 8, 2025·0 cites·6 claims
- 3653US12072215B2Capacitive coupling sensorSUMITOMO RIKO CO LTD·Filed 2021·Granted Aug 27, 2024·0 cites·12 claims
- 3753US2007202287A1Method of producing fuel hose material and fuel hose material produced by the sameTOKAI RUBBER IND LTD·Filed 2007·Application pending·0 cites
- 3852US2008156389A1Fuel hose for resin fuel tank and method of producing the sameTOKAI RUBBER IND LTD·Filed 2007·Application pending·0 cites
- 3951US8092880B2Fuel hoseIIO SHINJI·Filed 2007·Granted Jan 10, 2012·0 cites·5 claims
- 4050US8747951B2Method for manufacturing hose with protector layerTOKAI RUBBER IND LTD·Filed 2012·Granted Jun 10, 2014·0 cites·11 claims
- 4150US8685515B2Refrigerant-transporting hoseTOKAI RUBBER IND LTD·Filed 2012·Granted Apr 1, 2014·0 cites·10 claims
- 4250US6838141B2HoseTOKAI RUBBER IND LTD·Filed 2002·Granted Jan 4, 2005·9 cites·17 claims
- 4350US2004071908A1Fuel hoseTOKAI RUBBER IND LTD·Filed 2003·Application pending·0 cites
- 4450US2014187713A1Virbration-damping material and production method thereforTOKAI RUBBER IND LTD·Filed 2014·Application pending·0 cites
- 4549US9567959B2ConnectorTOKAI RUBBER IND LTD·Filed 2014·Granted Feb 14, 2017·0 cites·6 claims
- 4649US2008234416A1Rubber coating materialTOKAI RUBBER IND LTD·Filed 2008·Application pending·0 cites
- 4748US7306013B2Fuel hoseTOKAI RUBBER IND LTD·Filed 2005·Granted Dec 11, 2007·0 cites·8 claims
- 4848US2018275327A1Light-transmitting laminate and method for producing light-transmitting laminateSUMITOMO RIKO CO LTD·Filed 2018·Application pending·0 cites
- 4948US2007231521A1Fuel hoseTOKAI RUBBER IND LTD·Filed 2007·Application pending·0 cites
- 5048US2015068634A1Resin hose and method for manufacturing the sameTOKAI RUBBER IND LTD·Filed 2014·Application pending·0 cites
Showing the top 50 of 77 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Kazutaka Katayama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →