Assignee
Inventors
- Keiji Fujikawa (18 patents)
- Yutaka Hashimoto (60 patents)
- Isamu Takaoka (2 patents)
- Shinichi Kazui (34 patents)
- Hideaki Sasaki (76 patents)
- Hitoshi Odashima (10 patents)
- Mitsugu Shirai (18 patents)
US Patent 6551449 · Granted Apr 22, 2003