Assignee
Inventors
- Keiji Shioda (14 patents)
- Kazuhito Nakanishi (4 patents)
- Masakazu Mizoguchi (11 patents)
- Masahiko Kinukawa (13 patents)
- Wataru Ohno (17 patents)
- Toru Shinmura (14 patents)
- Koji Yasunaga (22 patents)
- Takashi Fukaya (33 patents)
US Patent 6661571 · Granted Dec 9, 2003