KU

Kenji Umayahara

TO Toyota: 63 patents #99 of 26,838Top 1%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
Overall (All Time): #34,747 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 51–64 of 64 patents

Patent #TitleCo-InventorsDate
8329351 Fuel cell system Michio Yoshida 2012-12-11
8277990 Fuel cell system 2012-10-02
8277993 Fuel cell system Michio Yoshida 2012-10-02
8273490 Fuel cell system Takeshi Maenaka, Atsushi Imai 2012-09-25
8153314 Alert method relating to remaining fuel amount of fuel cell system and fuel cell system using the same Shuji Hirakata 2012-04-10
8153315 Fuel cell system having output voltage corrector Atsushi Imai 2012-04-10
8130108 Gas level display controller, gas level display device, and gas level display control method 2012-03-06
8084151 Fuel cell system and method therefor Michio Yoshida 2011-12-27
8053124 Fuel cell system and mobile body 2011-11-08
7648787 Gas leak detection device and fuel cell system Keigo Suematsu, Tatsuaki Yokoyama, Nobuhiro Tomosada 2010-01-19
7608354 Fuel cell system and control method of same Shimpei Miura, Minobu Mizuno, Yasunobu Jufuku, Masahiko Hasegawa 2009-10-27
7438146 Moving object mounting fuel cell Shuji Hirakata 2008-10-21
6851298 Fluid leakage detection apparatus and fluid leakage detection method Shimpei Miura, Kenji Kurita, Naohiro Yoshida 2005-02-08
6012541 Operational failure detecting system for hydraulically controlled power steering system Futoshi Nishioka 2000-01-11