Assignee
Inventors
- Yoichi Takaragi (46 patents)
- Masanori Yamada (119 patents)
- Yoshinobu Sato (66 patents)
- Yasumichi Suzuki (59 patents)
- Yasuhiro Yamada (126 patents)
- Akiko Kanno (32 patents)
- Yoshiki Uchida (20 patents)
US Patent 6400470 · Granted Jun 4, 2002