Assignee
Inventors
- Tadao Nakashima (6 patents)
- Masato Kukizaki (3 patents)
- Masataka Shimizu (15 patents)
- Yoshiko Nakahara (4 patents)
- Hiroyuki Kageyama (42 patents)
- Fujiya Nakahara (1 patents)
- Masaaki Mizuguchi (12 patents)
US Patent 5278106 · Granted Jan 11, 1994