NS

Norio Sayama

MC Mitsubishi Gas Chemical Company: 2 patents #4 of 92Top 5%
Overall (1997): #28,481 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5686172 Metal-foil-clad composite ceramic board and process for the production thereof Kazuyuki Ohya 1997-11-11
5670231 Clutch facing Kazuyuki Ohya 1997-09-23