Assignee
Inventors
- Masataka Hidaka (10 patents)
- Michio Murase (8 patents)
- Toshitsugu Nakao (6 patents)
- Akihiko Minato (8 patents)
- Shigeto Murata (13 patents)
- Yoshiyuki Kataoka (31 patents)
- Shoichiro Kinoshita (2 patents)
US Patent 5271044 · Granted Dec 14, 1993