Assignee
Inventors
- Kenji Fukuda (116 patents)
- Youichiro Hara (6 patents)
- Tatsuo Umeno (10 patents)
- Takashi Hiruta (2 patents)
- Yoshinori Yasumoto (7 patents)
- Tadanori Tsunawaki (7 patents)
- Katsusuke Iwanaga (3 patents)
- Osamu Matsunaga (35 patents)
US Patent 6432583 · Granted Aug 13, 2002