Assignee
Inventors
- Kenichi Hirota (30 patents)
- Hitoshi Yamada (124 patents)
- Kiyoshi Yuasa (1 patents)
- Eiji Yamaguchi (53 patents)
- Shinichi Kawaguchi (34 patents)
- Takahiro Shimoda (5 patents)
- Nobuyuki Nagayama (36 patents)
US Patent 6805135 · Granted Oct 19, 2004