Assignee
Inventors
- Tetsuya Masutani (26 patents)
- Masato Kuroi (2 patents)
- Yasuo Itami (16 patents)
- Masahiko Maeda (50 patents)
- Norio Yanagisawa (6 patents)
- Yoshihiko Misugi (2 patents)
- Maki Yasuhara (1 patents)
US Patent 5685880 · Granted Nov 11, 1997