Assignee
Inventors
- Hisashi Yamaguchi (74 patents)
- Fumio Yamagishi (51 patents)
- Shigeo Matsunuma (3 patents)
- Nobuhiro Imaizumi (34 patents)
- Yoshikatsu Ishizuki (25 patents)
- Taiji Sakai (32 patents)
- Junji Tomita (75 patents)
US Patent 7852439 · Granted Dec 14, 2010