YS

Yasushi Sugawara

Sumitomo Electric Industries: 3 patents #267 of 3,352Top 8%
Overall (2002): #18,349 of 266,432Top 7%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6455109 Electrode for fuel cell and method of producing the same Eiichi Yasumoto, Hisaaki Gyoten, Makoto Uchida, Yasutomo Funakoshi, Kouji Nakagawa +1 more 2002-09-24
6444346 Fuel cells stack Hideo Ohara, Makoto Uchida 2002-09-03
6372373 Solid polymer electrolyte fuel cell and method for producing the same Hisaaki Gyoten, Kazuhito Hatoh, Kazufumi Nishida, Hideo Ohara, Eiichi Yasumoto +4 more 2002-04-16