Assignee
Inventors
- Toshiaki Takeyama (19 patents)
- Toshimasa Hamada (6 patents)
- Hiroaki Takahashi (5 patents)
- Junichi Watanabe (92 patents)
- Kazuhiro Yamagishi (7 patents)
- Masanori Nishioka (6 patents)
- Hiroyuki Suzuki (20 patents)
US Patent 6350748 · Granted Feb 26, 2002