Assignee
Inventors
- Kazuo Sato (209 patents)
- Kenji Ueda (227 patents)
- Michio Morita (5 patents)
- Fumihiko Noro (23 patents)
- Kyoko Miyamoto (4 patents)
- Hideaki Onishi (29 patents)
- Kazuo Umeda (21 patents)
- Kazuya Kubo (16 patents)
US Patent 6143609 · Granted Nov 7, 2000