Assignee
Inventors
- Toshihiro Oikawa (20 patents)
- Takuya Kushimoto (15 patents)
- Yasushi Yatsuda (32 patents)
- Ryotaro Owada (38 patents)
- Teruo Koike (35 patents)
- Kouji Ohe (2 patents)
- Masahiro Hosaka (3 patents)
US Patent 6447148 · Granted Sep 10, 2002