YI

Yasushi Ito

Sumitomo Electric Industries: 1 patents #603 of 2,038Top 30%
Overall (1997): #57,740 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5599493 Method of producing silicon nitride ceramic component Takehisa Yamamoto, Takao Nishioka, Akira Yamakawa, Osamu Komura 1997-02-04