Assignee
Inventors
- Kiyohito Ishida (34 patents)
- Katsunari Oikawa (10 patents)
- Toshimitsu Fujii (3 patents)
- Yukinori Matsuda (3 patents)
- Kozo Ozaki (6 patents)
- Seiji Kurata (2 patents)
- Takayuki Shimizu (189 patents)
US Patent 6761853 · Granted Jul 13, 2004