Assignee
Inventors
- Kyoichi Kagawa (7 patents)
- Hisako Matsutaka (3 patents)
- Chizuko Fukuhama (6 patents)
- Hiroaki Fujino (2 patents)
- Masahiro Numata (6 patents)
- Kazuhisa Honda (2 patents)
- Toyoo Nakamura (5 patents)
US Patent 5958885 · Granted Sep 28, 1999