Assignee
Inventors
- Toru Yakushiji (36 patents)
- Tadashi Mizoguchi (33 patents)
- Junichi Suetsucu (1 patents)
- Hitoshi Minemoto (47 patents)
- Hitoshi Takemoto (40 patents)
- Kazuo Shima (65 patents)
- Yoshihiro Hagiwara (56 patents)
US Patent 6331046 · Granted Dec 18, 2001