Assignee
Inventors
- Toshihito Maruyama (3 patents)
- Shigeyoshi Suzuki (15 patents)
- Sadao Kuriu (11 patents)
- Yasuo Tsubai (29 patents)
- Shin Nakagawa (18 patents)
- Kunihiro FUKUSHIMA (2 patents)
- Masayoshi Otsuka (3 patents)
US Patent 6478483 · Granted Nov 12, 2002