Assignee
Inventors
- Kazuhiro Yamada (354 patents)
- Hiroshi Yamagishi (25 patents)
- Kazunori Matsuda (9 patents)
- Kouichi Minami (9 patents)
- Isao Nagata (11 patents)
- Yoshiyasu Tagawa (1 patents)
- Kazuaki Umi (4 patents)
- Hitoshi Terashima (11 patents)
US Patent 6301204 · Granted Oct 9, 2001