Assignee
Inventors
- Yasuki Rai (4 patents)
- Hisao Uehara (19 patents)
- Yasushi Marushita (4 patents)
- Makoto Shimizu (128 patents)
- Makoto Kitagawa (110 patents)
- Yusuke Tsutsui (34 patents)
- Takeo Yoshimura (4 patents)
US Patent 6888528 · Granted May 3, 2005