Assignee
Inventors
- Michiharu Morishige (1 patents)
- Keiichi Sawaya (2 patents)
- Hidetoshi Yamabe (11 patents)
- Tetsuo Sakai (91 patents)
- Toshio Nagatomo (2 patents)
- Hideyasu Kamikawa (1 patents)
- Akihiro Sawaguchi (1 patents)
- Hiroshi Matsuo (51 patents)
US Patent 5968662 · Granted Oct 19, 1999