Assignee
Inventors
- Mikihiro Yamakawa (13 patents)
- Tsuyoshi Tsuchiya (23 patents)
- Katsunori Takahashi (112 patents)
- Toshio Shida (51 patents)
- Makoto Tamura (14 patents)
- Toshitaka Matsumoto (10 patents)
- Hitoshi Tamura (65 patents)
US Patent 6592056 · Granted Jul 15, 2003