Assignee
Inventors
- Tadakazu Fukuchi (18 patents)
- Kaoru Hamada (43 patents)
- Kunio Takebayashi (2 patents)
- Hidenori Ogawa (18 patents)
- Yoshimi Midorikawa (23 patents)
- Reiko Sato (18 patents)
- Yoshihide Kimura (20 patents)
US Patent 6432874 · Granted Aug 13, 2002