Assignee
Inventors
- Mikio Kashiwai (24 patents)
- Shiro Sato (37 patents)
- Hisamitsu Takagi (59 patents)
- Shinichi Watanabe (78 patents)
- Hidemi Ichinose (8 patents)
- Yukiyasu Shiroi (1 patents)
- Yoichiro Ishiguro (1 patents)
- Isao Takeshita (8 patents)
US Patent 6647784 · Granted Nov 18, 2003