Assignee
Inventors
- Shinji Kojima (72 patents)
- Hisakazu Mizota (7 patents)
- Toshitane Matsukawa (9 patents)
- Toshio Fujimura (20 patents)
- Kouichi Kushida (1 patents)
- Yoshio Yoshimoto (6 patents)
- Noriaki Inoue (13 patents)
US Patent 5282374 · Granted Feb 1, 1994