Assignee
Inventors
- Atsushi Katsumoto (1 patents)
- Akira Fujiwara (44 patents)
- Koji Miura (98 patents)
- Tokurou Fujiwara (1 patents)
- Nobuo Takenouchi (1 patents)
- Kazuyuki Seri (3 patents)
- Masahiko Kurokawa (1 patents)
- Keiji Fujimoto (15 patents)
US Patent 6004209 · Granted Dec 21, 1999