Assignee
Inventors
- Reiji Niino (21 patents)
- Isao Siratani (1 patents)
- Yutaka Simada (1 patents)
- Hiroki Fukusima (1 patents)
- Hirofumi Kitayama (14 patents)
- Akimichi Yonekura (2 patents)
- Yuuichi Mikata (46 patents)
US Patent 5316472 · Granted May 31, 1994