Assignee
Inventors
- Kenichi Sakata (9 patents)
- Noriyuki Yamada (40 patents)
- Ryotaro Midorikawa (3 patents)
- James Charles Wirfel (1 patents)
- Donald Lee Potter (1 patents)
- Abelardo Gabriel Gutierre Martinez (2 patents)
US Patent 6265717 · Granted Jul 24, 2001