Assignee
Inventors
- Tetsuya Nishida (63 patents)
- Yumiko Anzai (54 patents)
- Kenchi Ito (62 patents)
- Yoshito Tsunoda (45 patents)
- Masahiko Takahashi (89 patents)
- Hisae Sasaki (2 patents)
- Kazuhiko Nakano (31 patents)
US Patent 5871881 · Granted Feb 16, 1999