Assignee
Inventors
- Tetsuo Yoshizawa (26 patents)
- Akio Mihara (6 patents)
- Hiromichi Yamashita (12 patents)
- Ichiro Ohnuki (34 patents)
- Yasuo Suda (111 patents)
- Keiji Ohtaka (69 patents)
- Toshiaki Sato (132 patents)
- Taichi Sugimoto (3 patents)
US Patent 5912504 · Granted Jun 15, 1999