Assignee
Inventors
- Toshiyuki Wakisaka (11 patents)
- Masahiro Maki (83 patents)
- Hisao Koga (75 patents)
- Yuji Igata (32 patents)
- Fumio Ichihara (24 patents)
- Akihiro Yamashita (63 patents)
- Tsunehiro Hanada (8 patents)
- Mutsuhiko Oishi (11 patents)
US Patent 7864658 · Granted Jan 4, 2011