Akihiko Yamamura

Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%

📍 Kasai, JP: #98 of 394 inventorsTop 25%

Overall (1989): #134,256 of 140,708Top 100%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4861673	Composite sintered material having sandwich structure	Akio Hara	1989-08-29