Assignee
Inventors
- Hideo Ichikawa (43 patents)
- Takeshi Saito (296 patents)
- Sunao Ikeda (33 patents)
- Nobuhiro Makita (16 patents)
- Seiji Ozawa (12 patents)
- Shigeru Yoshiki (25 patents)
- Takaaki Yanagisawa (29 patents)
US Patent 6418293 · Granted Jul 9, 2002