Assignee
Inventors
- Kiichi Sawai (60 patents)
- Masayasu Kurono (73 patents)
- Juichi Awaya (11 patents)
- Akio Kojima (88 patents)
- Hideako Ninomiya (1 patents)
- Yoshiro Ishiwata (20 patents)
- Masahiro Nakajima (3 patents)
US Patent 5336688 · Granted Aug 9, 1994