RY

Ryoichi Yoshitomi

Honda Motor Co.: 36 patents #153 of 21,052Top 1%
KE Keihin: 1 patents #237 of 596Top 40%
NC Nissin Kogyo Co.: 1 patents #171 of 334Top 55%
Overall (All Time): #89,457 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
9371009 Mount structure for fuel cell stack Choichi Ishikawa 2016-06-21
8974985 Fuel cell unit box and fuel cell Ayumu Ishizuka, Makoto Tsuji, Yositaka Hattori, Shigeru Maniwa, Daisuke Nakagawara 2015-03-10
8846260 Fuel cell stack Hideharu Naito, Norihisa Kobayashi, Masaaki Sakano, Keisuke Suda, Yasuhiro Watanabe 2014-09-30
8623570 Fuel cell stack Ken Takahashi, Masaharu Suzuki 2014-01-07
8247131 Fuel cell stack Ken Takahashi, Daisuke Wachi, Keisuke Andou, Ayumu Ishizuka, Tadashi Nishiyama 2012-08-21
8221929 Fuel cell stack Ken Takahashi, Go Morimoto 2012-07-17
8048575 Fuel cell system and fuel cell automotive vehicle Yoshio Kusano, Toshikatsu Katagiri, Kenji Nagumo, Motohiro Suzuki 2011-11-01
8034503 Fuel cell stack Ayumu Ishizuka 2011-10-11
7906241 Fuel cell system and fuel cell automobile vehicle Yoshio Kusano, Toshikatsu Katagiri, Kenji Nagumo, Motohiro Suzuki 2011-03-15
7736816 Fuel cell stack Ayumu Ishizuka, Makoto Tsuji 2010-06-15
7401762 Solenoid-operated valve for use with fuel cells Hiroto Ohmori, Kouetsu Hikichi, Takahide Kato, Masakazu Murai, Narihiro Takagi +1 more 2008-07-22
7264233 Humidifier Toshikatsu Katagiri, Yoshio Kusano, Kenji Nagumo, Motohiro Suzuki 2007-09-04