Assignee
Inventors
- Shuichi Ueno (47 patents)
- Yukio Nishida (23 patents)
- Hiroshi Umeda (50 patents)
- Kenichi Ohto (2 patents)
- Takashi Terauchi (30 patents)
- Shigeru Shiratake (22 patents)
- Akinori Kinugasa (8 patents)
US Patent 6812536 · Granted Nov 2, 2004