SO

Shuhei Okumura

SC Sumitomo Special Metals Co.: 3 patents #2 of 52Top 4%
Overall (2003): #21,775 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6602352 Method for manufacturing rare earth magnet and powder compacting apparatus Akira Nakamura 2003-08-05
6537385 Rare earth magnet and method for manufacturing the same Katsumi Okayama, Naoyuki Ishigaki 2003-03-25
6537488 Process for handling powder green compacts and rare earth metal-based magnet Hiroshi Hashikawa 2003-03-25