SU

Seiki Umebayashi

NC Nkk Co.: 1 patents #579 of 1,173Top 50%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
Overall (All Time): #2,324,548 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4935389 High strength high oxidation-resistance sialon sintered body Kazushi Kishi, Kazuya Yabuta, Hiroaki Nishio 1990-06-19
4816428 Process for producing high strength .beta.sialon-silicon carbide composite Kazushi Kishi, Eiji Tani, Kazuo Kobayashi 1989-03-28