Assignee
Inventors
- Shigeharu Ukai (6 patents)
- Shunji Mizuta (1 patents)
- Tsunemitsu Yoshitake (1 patents)
- Shigeki Hagi (1 patents)
- Noriaki Hirohata (1 patents)
- Katsuhiro Abe (9 patents)
- Takanari Okuda (3 patents)
US Patent 6250125 · Granted Jun 26, 2001