Assignee
Inventors
- Haruhiko Asao (13 patents)
- Yutaka Koshiba (9 patents)
- Keiji Nogami (6 patents)
- Tutomu Masui (4 patents)
- Kazumasa Hori (8 patents)
- Kenji Wakiguchi (3 patents)
- Masahiko Wada (18 patents)
- Yoshiaki Hattori (20 patents)
US Patent 6589473 · Granted Jul 8, 2003