Assignee
Inventors
- Mitsuhiko Takahashi (10 patents)
- Katsuya Yamaguchi (13 patents)
- Yoshihisa Nakano (30 patents)
- Hiroshi Matsuoka (110 patents)
- Arao Umeda (4 patents)
- Shinya Yuki (4 patents)
- Sadao Tanimoto (5 patents)
US Patent 5254045 · Granted Oct 19, 1993