Assignee
Inventors
- Takafumi Yamaji (49 patents)
- Akira Matsuzaki (32 patents)
- Kazuhisa Okai (10 patents)
- Keiji Yoshida (39 patents)
- Masaaki Yamashita (67 patents)
- Yuichi Fukushima (21 patents)
- Toshiyuki Okuma (5 patents)
US Patent 7842400 · Granted Nov 30, 2010