AH

Akihiro Horikawa

Sumitomo Electric Industries: 1 patents #1,404 of 3,885Top 40%
Overall (2003): #268,537 of 273,478Top 100%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6579571 Method for producing electron tube Tsumoru Ohata, Tatsuo Mifune 2003-06-17