KY

Kazumi Yamashita

JS Jfe Steel: 1 patents #825 of 1,401Top 60%
KS Kawasaki Steel: 1 patents #889 of 1,922Top 50%
Overall (All Time): #2,138,803 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7588836 Phosphate-treated zinc-coated steel sheet Hiroki Nakamaru, Chiyoko Tada, Hideo Sasaoka, Chiaki Kato 2009-09-15
6322906 Perforative corrosion resistant galvanized steel sheet Hisatada Nakakoji, Kyoko Hamahara, Kazuo Mochizuki 2001-11-27