Assignee
Inventors
- Mitsuo Shimotani (112 patents)
- Minoru Nishida (79 patents)
- Akira Okada (146 patents)
- Toshihide Satake (25 patents)
- Shoichi Washino (19 patents)
- Futoshi Okawa (4 patents)
- Hiromi Terashita (2 patents)
US Patent 5795306 · Granted Aug 18, 1998