Assignee
Inventors
- Hideo Sawada (40 patents)
- Ikuya Arai (55 patents)
- Nobuaki Kabuto (100 patents)
- Kouji Kitou (48 patents)
- Kazufumi Kikuchi (2 patents)
- Kazunori Iwabuchi (29 patents)
- Kenichi Saitou (16 patents)
US Patent 6476821 · Granted Nov 5, 2002