Assignee
Inventors
- Motoshi Mizoguchi (9 patents)
- Tetsuya Yagi (57 patents)
- Kenichi Hamano (2 patents)
- Toshio Tomiyoshi (13 patents)
- Masami Torizuka (5 patents)
- Mitsuru Hachiya (2 patents)
- Kaneharu Nemoto (1 patents)
US Patent 5218439 · Granted Jun 8, 1993