Inventor · disambiguated record
Ryo Hirai
Also filed as: HIRAI RYO
8 granted patents·8 pending applications·36 citations·filing 2003–2024
83Inventor score
Top patents by PatentIndex Score
16 records- 0185US7951481B2Separator and cell using the same for use in solid polymer electrolyte fuel cellTOKAI RUBBER IND LTD·Filed 2005·Granted May 31, 2011·9 cites·9 claims
- 0270US7493917B2Rubber composition for automotive non-water liquid delivery hose and automotive non-water liquid delivery hose using the sameTOKAI RUBBER IND LTD·Filed 2008·Granted Feb 24, 2009·6 cites·3 claims
- 0369US7534518B2Cell for solid polymer electrolyte fuel cell with improved gas flow sealingTOKAI RUBBER IND LTD·Filed 2005·Granted May 19, 2009·2 cites·6 claims
- 0467US2024317912A1Rubber composition for vehicle coolant transport hose, and vehicle coolant transport hose obtained using sameSUMITOMO RIKO CO LTD·Filed 2024·Application pending·0 cites
- 0565US2024317966A1Rubber composition, and rubber product and hose each obtained using said rubber compositionSUMITOMO RIKO CO LTD·Filed 2024·Application pending·0 cites
- 0662US6745796B2Hydrogen fuel transporting hose for fuel-cell powered vehicleTOKAI RUBBER IND LTD·Filed 2003·Granted Jun 8, 2004·10 cites·12 claims
- 0758US7497236B2Vacuum brake hoseTOKAI RUBBER IND LTD·Filed 2006·Granted Mar 3, 2009·2 cites·4 claims
- 0857US7312270B2Fuel cell hoseTOKAI RUBBER IND LTD·Filed 2004·Granted Dec 25, 2007·2 cites·4 claims
- 0953US7055552B2Rubber hose material and rubber hose using the sameTOKAI RUBBER IND LTD·Filed 2004·Granted Jun 6, 2006·5 cites·8 claims
- 1048US2013098494A1Rubber composition for water hose, and water hose obtained using sameTOKAI RUBBER IND LTD·Filed 2012·Application pending·0 cites
- 1146US10047881B2Fuel hoseSUMITOMO RIKO CO LTD·Filed 2016·Granted Aug 14, 2018·0 cites·16 claims
- 1246US2003186010A1Rubber composition and low-contaminative hose produced by using the sameTOKAI RUBBER IND LTD·Filed 2003·Application pending·0 cites
- 1345US2005224096A1Method for cleaning fuel cell hose and fuel cell hose cleaned by the methodTOKAI RUBBER IND LTD·Filed 2005·Application pending·0 cites
- 1443US2004185199A1Hose material for fuel cell system and hose manufactured by using the sameTOKAI RUBBER IND LTD·Filed 2004·Application pending·0 cites
- 1543US2006024560A1Separator and cell using the same for use in solid polymer electrolyte fuel cellTOKAI RUBBER IND LTD·Filed 2005·Application pending·0 cites
- 1643US2005221132A1Rubber composition for fuel reforming system and rubber hose for fuel reforming system using the rubber compositionTOKAI RUBBER IND LTD·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →