Assignee
Inventors
- Yoshiyuki Shirane (1 patents)
- Seiichi Iwasa (36 patents)
- Yoshio Suzuki (222 patents)
- Kiyoshi Kuramochi (4 patents)
- Kazuo Kokubo (1 patents)
- Tetsuya Ohno (52 patents)
- Kimio Mizuno (1 patents)
- Takashi Satoh (85 patents)
US Patent 5491631 · Granted Feb 13, 1996