Assignee
Inventors
- Syuji Miyasaka (1 patents)
- Kazue Kita (1 patents)
- Michio Matsumoto (24 patents)
- Tsuneo Tanaka (26 patents)
- Masayuki Misaki (31 patents)
- Takeshi Norimatsu (67 patents)
- Toshihiko Nagano (38 patents)
US Patent 5493647 · Granted Feb 20, 1996