Assignee
Inventors
- Hiromitsu Tomiyama (2 patents)
- Masahiko Oshino (2 patents)
- Ikuko Ihara (2 patents)
- Naoko Nakanishi (2 patents)
- Mutsumi Suzuki (45 patents)
- Masao Fukuyama (15 patents)
- Mutsuaki Murakami (71 patents)
- Taro Nambu (4 patents)
US Patent 5707747 · Granted Jan 13, 1998