Assignee
Inventors
- Hideki Ohashi (56 patents)
- Hiroyuki Kawai (100 patents)
- Hiroyoshi Kojima (17 patents)
- Takaji Umeno (49 patents)
- Katsuhiro Asano (40 patents)
- Toshiharu Naito (16 patents)
- Nobuyoshi Onogi (21 patents)
US Patent 6142026 · Granted Nov 7, 2000