RH

Ryo Hirai

TI Tokai Rubber Industries: 7 patents #59 of 557Top 15%
SL Sumitomo Riko Company Limited: 1 patents #206 of 446Top 50%
📍 Iwakura, JP: #19 of 86 inventorsTop 25%
Overall (All Time): #640,682 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10047881 Fuel hose Yoshiki Kodaka, Kazuki Hatanaka, Ryousuke Kanegae 2018-08-14
7951481 Separator and cell using the same for use in solid polymer electrolyte fuel cell Yutaka Ishioka, Yasuhiko Mihara 2011-05-31
7534518 Cell for solid polymer electrolyte fuel cell with improved gas flow sealing Yutaka Ishioka, Yasuhiko Mihara 2009-05-19
7497236 Vacuum brake hose 2009-03-03
7493917 Rubber composition for automotive non-water liquid delivery hose and automotive non-water liquid delivery hose using the same Atsuo Miyajima 2009-02-24
7312270 Fuel cell hose Ayumu Ikemoto 2007-12-25
7055552 Rubber hose material and rubber hose using the same Ayumu Ikemoto, Hidehito Ikeda, Yoshio Okado 2006-06-06
6745796 Hydrogen fuel transporting hose for fuel-cell powered vehicle Ayumu Ikemoto 2004-06-08