YK

Yukihisa Katayama

TO Toyota: 2 patents #258 of 2,026Top 15%
UN Unknown: 1 patents #213 of 2,616Top 9%
Overall (2011): #55,509 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8034512 Tubular fuel cell with coil current collector Yuichiro Hama, Masaki Terada, Hirokazu Ishimaru 2011-10-11
7923170 Fuel cell separator with a vapor-phase grown carbon-based porous material of nanosize structure Masaru Hori, Mineo Hiramatsu, Hiroyuki Kano, Toru Sugiyama, Satoshi Yoshida 2011-04-12