MM

Masuo Maruyama

Sumitomo Electric Industries: 2 patents #504 of 3,352Top 20%
Overall (2002): #51,874 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6469865 Disk apparatus 2002-10-22
6449232 Disk type determination method Masaya Kuwahara, Shinichi Yamada, Hiroyuki Yamaguchi, Masanari Mohri, Akihiro Sakaguchi +2 more 2002-09-10