Assignee
Inventors
- Kiyoshi Mizuguchi (8 patents)
- Nobuo Ohzawa (7 patents)
- Yasuhiro Nakai (1 patents)
- Kazuyuki Matsuura (3 patents)
- Shuhei Ohnishi (3 patents)
- Yutaka Kato (98 patents)
- Tsutomu Satoh (54 patents)
US Patent 6387938 · Granted May 14, 2002