Assignee
Inventors
- Kazuo Kusaki (4 patents)
- Toshikazu Fuse (7 patents)
- Tohru Morita (8 patents)
- Toshihiko Ishihara (21 patents)
- Kazuyoshi Morimoto (2 patents)
- Kazuo Iwata (53 patents)
- Michiyo Nishimura (27 patents)
US Patent 6352563 · Granted Mar 5, 2002