Assignee
Inventors
- Naotaka Tanaka (46 patents)
- Akihiro Yaguchi (70 patents)
- Ryuji Kohno (86 patents)
- Kiyomi Kojima (1 patents)
- Takeshi Terasaki (11 patents)
- Hideo Miura (152 patents)
- Junichi Arita (21 patents)
- Chikako Imura (8 patents)
US Patent 6232653 · Granted May 15, 2001