Assignee
Inventors
- Yoshihiko Tsuchiyama (9 patents)
- Yuichi Fujioka (12 patents)
- Toshihiko Setoguchi (16 patents)
- Katsuhiko Shinoda (6 patents)
- Kenji Tagashira (19 patents)
- Shigeyasu Ishigami (7 patents)
- Yoshinori Kobayashi (114 patents)
US Patent 6475445 · Granted Nov 5, 2002