Assignee
Inventors
- Herbert Plach (90 patents)
- Ekkehard Bartmann (52 patents)
- Eike Poetsch (152 patents)
- Syuichi Kozaki (5 patents)
- Kazuyoshi Fujioka (41 patents)
- Masako Nakamura (17 patents)
- Hiroshi Numata (12 patents)
- Hideo Ichinose (28 patents)
US Patent 5753142 · Granted May 19, 1998