Assignee
Inventors
- Hiroyuki Furutani (21 patents)
- Kazuhisa Danno (4 patents)
- Yoshifumi Okamoto (26 patents)
- Junya Ida (4 patents)
- Yoshihide Oonari (1 patents)
- Hitoshi Nojiri (21 patents)
- Hirosaku Nagano (20 patents)
US Patent 5668247 · Granted Sep 16, 1997