Assignee
Inventors
- Ryo Muramatsu (2 patents)
- Akiko Sukesada (3 patents)
- Satoru Misawa (6 patents)
- Eriko Nukui (3 patents)
- Koichi Wada (4 patents)
- Masaharu Nakano (4 patents)
- Tadanori Morikawa (7 patents)
- Kyoichi Kobashi (6 patents)
US Patent 5880258 · Granted Mar 9, 1999