Assignee
Inventors
- Naoki Kigawa (3 patents)
- Masayuki Miyagawa (7 patents)
- Yoshimoto Muratsubaki (2 patents)
- Kazuhiro Akaike (14 patents)
- Mika Ito (12 patents)
- Yuriko Kishitaka (8 patents)
- Yasuhiro Muramatsu (18 patents)
US Patent 5963645 · Granted Oct 5, 1999