Assignee
Inventors
- Hiroshi Sawa (1 patents)
- Masanori Nagai (4 patents)
- Yoshinori Sugiura (38 patents)
- Shigenori Hamaoka (2 patents)
- Kentaro Iwanaga (12 patents)
- Keiji Enpuku (3 patents)
- Kohji Yoshinaga (1 patents)
US Patent 7572593 · Granted Aug 11, 2009