Assignee
Inventors
- Hironori Emaru (49 patents)
- Masaharu Akatsu (6 patents)
- Norifumi Nishikawa (65 patents)
- Tetsuo Tanaka (65 patents)
- Akihiro Yoshikawa (4 patents)
- Shunsuke Akifuji (18 patents)
- Gou Kojima (2 patents)
US Patent 6807575 · Granted Oct 19, 2004