Assignee
Inventors
- Shinichi Asano (60 patents)
- Hiroyuki Ohashi (28 patents)
- Hiromasa Kondo (19 patents)
- Kazuhiro Nojima (41 patents)
- Katsuyoshi Imabeppu (4 patents)
- Mamoru Sakaki (60 patents)
- Eiichi Suzuki (47 patents)
US Patent 5670242 · Granted Sep 23, 1997