Hirai; Ryo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hirai; Ryo.The latest application filed is for "fuel hose".

Company Profile

0.8.14

Hirai; Ryo - Iwakura JP
Hirai; Ryo - Iwakura-shi JP
Hirai; Ryo - Komaki-shi JP
Hirai; Ryo - Komaki JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Fuel hose Grant 10,047,881 - Hirai , et al. August 14, 2	2018-08-14
Fuel Hose App 20170067581 - Hirai; Ryo ; et al.	2017-03-09
Rubber Composition For Water Hose, And Water Hose Obtained Using Same App 20130098494 - Yajima; Takashi ; et al.	2013-04-25
Separator and cell using the same for use in solid polymer electrolyte fuel cell Grant 7,951,481 - Ishioka , et al. May 31, 2	2011-05-31
Cell for solid polymer electrolyte fuel cell with improved gas flow sealing Grant 7,534,518 - Ishioka , et al. May 19, 2	2009-05-19
Vacuum brake hose Grant 7,497,236 - Hirai March 3, 2	2009-03-03
Rubber composition for automotive non-water liquid delivery hose and automotive non-water liquid delivery hose using the same Grant 7,493,917 - Hirai , et al. February 24, 2	2009-02-24
Rubber Composition For Automotive Non-water Liquid Delivery Hose And Automotive Non-water Liquid Delivery Hose Using The Same App 20080202619 - HIRAI; Ryo ; et al.	2008-08-28
Fuel cell hose Grant 7,312,270 - Hirai , et al. December 25, 2	2007-12-25
Vacuum brake hose App 20070034276 - Hirai; Ryo	2007-02-15
Separator and cell using the same for use in solid polymer electrolyte fuel cell App 20070031719 - Ishioka; Yutaka ; et al.	2007-02-08
Rubber hose material and rubber hose using the same Grant 7,055,552 - Hirai , et al. June 6, 2	2006-06-06
Cell for solid polymer electrolyte fuel cell App 20060024556 - Ishioka; Yutaka ; et al.	2006-02-02
Separator and cell using the same for use in solid polymer electrolyte fuel cell App 20060024560 - Ishioka; Yutaka ; et al.	2006-02-02
Method for cleaning fuel cell hose and fuel cell hose cleaned by the method App 20050224096 - Nishiyama, Takahiro ; et al.	2005-10-13
Rubber composition for fuel reforming system and rubber hose for fuel reforming system using the rubber composition App 20050221132 - Hirai, Ryo ; et al.	2005-10-06
Rubber hose material and rubber hose using the same App 20050067036 - Hirai, Ryo ; et al.	2005-03-31
Hose material for fuel cell and hose manufactured by using the same App 20050026023 - Hirai, Ryo ; et al.	2005-02-03
Hose material for fuel cell system and hose manufactured by using the same App 20040185199 - Hirai, Ryo ; et al.	2004-09-23
Hydrogen fuel transporting hose for fuel-cell powered vehicle Grant 6,745,796 - Ikemoto , et al. June 8, 2	2004-06-08
Rubber composition and low-contaminative hose produced by using the same App 20030186010 - Ikeda, Hidehito ; et al.	2003-10-02
Hydrogen fuel transporting hose for fuel-cell powered vehicle App 20030178081 - Ikemoto, Ayumu ; et al.	2003-09-25

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