Assignee
Inventors
- Masanori Kojima (31 patents)
- Ko Nishino (6 patents)
- Yasuhito Myoi (11 patents)
- Masaaki Tanaka (138 patents)
- Teruo Miyamoto (18 patents)
- Fumio Suzuki (88 patents)
- Fumio Itoh (3 patents)
- Yoshisuke Otsuru (1 patents)
US Patent 5815221 · Granted Sep 29, 1998