Assignee
Inventors
- Tetsuichiro Ichiguchi (8 patents)
- Tsutomu Nagasawa (11 patents)
- Tadaaki Yamauchi (75 patents)
- Zengcheng Tian (9 patents)
- Makoto Suwa (27 patents)
- Junko Matsumoto (25 patents)
- Takeo Okamoto (25 patents)
- Hideki Yonetani (8 patents)
US Patent 6724223 · Granted Apr 20, 2004