KK

Katsuyuki Kishi

TC Toppan Printing Co.: 3 patents #1 of 111Top 1%
Overall (2023): #72,702 of 537,848Top 15%
3
Patents 2023

Issued Patents 2023

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11677081 Membrane electrode assembly and polymer electrolyte fuel cell Madoka OZAWA, Hiroyuki Michi, Yuki Igarashi 2023-06-13
11563226 Membrane-electrode assembly and polymer electrolyte fuel cell 2023-01-24
11545674 Electrode catalyst layer and polymer electrolyte fuel cell 2023-01-03