Assignee
Inventors
- Daisuke Kamiya (5 patents)
- Kiyokazu Mizutani (9 patents)
- Yoichi Kirito (1 patents)
- Akemi Koketsu (2 patents)
- Makoto NIWA (4 patents)
- Kotaro Yoneda (5 patents)
- Hiroshi Iesako (2 patents)
- Hitoshi Kato (255 patents)
US Patent 6302994 · Granted Oct 16, 2001