AY

Akira Yamakawa

Sumitomo Electric Industries: 3 patents #267 of 3,352Top 8%
📍 Itami, JP: #17 of 165 inventorsTop 15%
Overall (2002): #33,117 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6458298 Process for molding ceramics Tomoyuki Awazu, Yasushi Tsuzuki 2002-10-01
6447923 Metallized silicon nitride ceramic and fabricating process thereof as well as metallizing composite for the process 2002-09-10
6410468 Si3N4 ceramic, Si-base composition for production thereof and processes for producing these Seiji Nakahata 2002-06-25