Assignee
Inventors
- Hiroyuki Wada (113 patents)
- Junichiro Kogure (3 patents)
- Masahiro Kato (317 patents)
- Kazuhiko Itakura (11 patents)
- Akio Namiki (9 patents)
- Yoshinari Okamoto (15 patents)
- Toshinori Suzuki (49 patents)
US Patent 6525468 · Granted Feb 25, 2003