Assignee
Inventors
- Hiroshi Asai (40 patents)
- Ichiro Kitayama (2 patents)
- Kouji Mineshita (1 patents)
- Ken-ichi Okazaki (7 patents)
- Akira Ohtsuka (1 patents)
- Yuichi Nishiyama (16 patents)
- Yasuo Uosaki (4 patents)
US Patent 5122197 · Granted Jun 16, 1992