Assignee
Inventors
- Hiroyuki Hirata (41 patents)
- Tatsuo Araki (13 patents)
- Osamu Ishizaki (26 patents)
- Hideo Daimon (20 patents)
- Yasuhiko Kokufuda (2 patents)
- Tsuyoshi Maro (19 patents)
- Makoto Aihara (18 patents)
US Patent 6333089 · Granted Dec 25, 2001