Assignee
Inventors
- Toshiyuki ARIO (4 patents)
- Takashi Naka (2 patents)
- Junichi Hishida (1 patents)
- Tetsuyasu Akita (1 patents)
- Masaru Suzuki (267 patents)
- Yasushi Tsujita (1 patents)
- Takuji Kajihara (1 patents)
US Patent 6576172 · Granted Jun 10, 2003