Assignee
Inventors
- Kenji Shinozaki (57 patents)
- Hideki Hirano (30 patents)
- Koichi Kawasumi (11 patents)
- Nobutoshi Asai (26 patents)
- Hidemi Tomita (13 patents)
- Unknown
- Masanori Ogata (22 patents)
- Hiroyuki Shiota (15 patents)
US Patent 5592208 · Granted Jan 7, 1997