Assignee
Inventors
- Kazuhiko Kano (40 patents)
- Kenichi Nara (14 patents)
- Toshimasa Yamamoto (48 patents)
- Nobuyuki Kato (64 patents)
- Yoshitaka Gotoh (10 patents)
- Yoshinori Ohtsuka (42 patents)
- Kenichi Ao (44 patents)
US Patent 5922212 · Granted Jul 13, 1999