Assignee
Inventors
- Sumio Susa (14 patents)
- Toshio Morikawa (35 patents)
- Atsushi Katoh (8 patents)
- Akihiro Maeda (66 patents)
- Tatsuo Sugimoto (21 patents)
- Kazutaka Suzuki (107 patents)
- Akihito Tanaka (4 patents)
US Patent 5269367 · Granted Dec 14, 1993