Akihiko Yoshida

Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%

Overall (2004): #265,453 of 270,089Top 100%

1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6818339	Polymer electrolyte type fuel cell	Yasushi Sugawara, Hisaaki Gyoten, Makoto Uchida, Eiichi Yasumoto, Teruhisa Kanbara +6 more	2004-11-16