DO

Daisuke Okonogi

Honda Motor Co.: 18 patents #763 of 21,052Top 4%
SC Shin-Etsu Chemical Co.: 4 patents #740 of 2,176Top 35%
Overall (All Time): #254,626 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
10720660 Fuel cell stack Yusuke Nara, Motohiro TAKAHASHI 2020-07-21
10658683 Method for producing electrolyte membrane electrode assembly for fuel cells Masashi Sugishita, Yoshihito Kimura, Yukihito Tanaka 2020-05-19
9966623 Electrolyte membrane-electrode structure with resin frame for fuel cells Yukihito Tanaka, Kazuo Nunokawa, Hiroshi Sohma, Kenichi Tanaka, Naoki Mitsuta +1 more 2018-05-08
9225032 Fuel cell Seiji Sugiura 2015-12-29
9160011 Fuel cell separator sealing material and fuel cell separator Satoru Terada, Noriyuki Meguriya, Osamu Hayashida 2015-10-13
8795920 Separator and separator seal for polymer electrolyte fuel cells Satoru Terada, Noriyuki Meguriya, Osamu Hayashida 2014-08-05
8574780 Fuel cell separator with chromium rich surface layer and method of producing the fuel cell separator Satoru Terada, Takahiro Takai, Masao Utsunomiya 2013-11-05
8158302 Separator and separator seal for polymer electrolyte fuel cells Satoru Terada, Noriyuki Meguriya, Osamu Hayashida 2012-04-17
8133949 Separator and separator seal for polymer electrolyte fuel cells Satoru Terada, Noriyuki Meguriya, Osamu Hayashida 2012-03-13
8043766 Fuel cell exhibiting enhanced separator sealing structure Shuhei Goto, Natsuki Anzai, Hiroyuki Tanaka, Kazuo Nunokawa, Masaaki Sakano 2011-10-25
7977003 Fuel cell Kentaro Nagoshi, Masaru Oda, Narutoshi Sugita 2011-07-12
7947208 Injection-molding method and apparatus Mikihiko Kimura, Shinya Kawachi, Keisuke Andou, Tadashi Nishiyama, Naoyuki Enjoji 2011-05-24
7749419 Method and device for injection molding Mikihiko Kimura, Shinya Kawachi, Keisuke Andou, Tadashi Nishiyama, Naoyuki Enjoji 2010-07-06
7553576 Separator for fuel cell Mikihiko Kimura, Shinya Kawachi, Keisuke Andou, Tadashi Nishiyama 2009-06-30
7488550 Fuel cell with a seal member integrally formed on a metal separator Hiroyuki Tanaka, Tadashi Nishiyama, Takaki Nakagawa 2009-02-10
7475600 Method of and apparatus for evaluating elastic member quality Soushi Rinoie, Masao Utsunomiya 2009-01-13
7396609 Fuel cell and metal separator for fuel cell Narutoshi Sugita, Mikihiko Kimura, Shuhei Goto 2008-07-08
6866272 Sealing resin-metal assembly Keisuke Andou, Masajiro Inoue, Tadashi Nishiyama 2005-03-15