HN

Hiroyuki Nagayama

MI Mitsui Petrochemical Industries: 1 patents #69 of 165Top 45%
TO Toto: 1 patents #10 of 34Top 30%
Overall (1997): #38,247 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5653924 Methods of manufacturing gradient function material Hirotaka Ishibashi, Koichi Hayashi 1997-08-05
5614044 Method of manufacturing a laminated ceramic device Yoshihisa Ushida 1997-03-25