Assignee
Inventors
- Tatsuhiko Chiba (42 patents)
- Kazuo Yoshinaga (93 patents)
- Satoshi Yasuda (58 patents)
- Hiroaki Kawakami (36 patents)
- Ryoichi Fujita (32 patents)
- Shinya Yachi (29 patents)
- Koichi Tomiyama (31 patents)
US Patent 6187495 · Granted Feb 13, 2001