Assignee
Inventors
- Katsuhiko Ueda (30 patents)
- Makoto Iwakiri (4 patents)
- Yoshimi Sugaya (4 patents)
- Yutaka Mabuchi (49 patents)
- Masato Yamaguchi (35 patents)
- Akira Fujiki (25 patents)
- Yukihiro Maekawa (7 patents)
- Masakazu Wada (23 patents)
US Patent 6488736 · Granted Dec 3, 2002