Assignee
Inventors
- Naoki Hirata (6 patents)
- Hisao Okamoto (19 patents)
- Yoshiyuki Zama (8 patents)
- Michiei Nakamura (42 patents)
- Tetsuya Yanagimoto (2 patents)
- Hiroaki Yamada (106 patents)
- Masahiro Tsuchiya (1 patents)
US Patent 7888398 · Granted Feb 15, 2011