Assignee
Inventors
- Kazutaka Kuwana (39 patents)
- Takashi Nagashima (52 patents)
- Masahiro Inden (8 patents)
- Yasuo Kuwabara (15 patents)
- Jun Funakawa (5 patents)
- Akemi Takada (1 patents)
- Tetsuya Morita (77 patents)
US Patent 5141297 · Granted Aug 25, 1992