Assignee
Inventors
- Noriyuki Nabeshima (3 patents)
- Tomohito Takada (2 patents)
- Michihiro Kurokawa (12 patents)
- Tomohito Koizumi (11 patents)
- Yoshinori Toya (2 patents)
- Kiyoshi Koyama (8 patents)
- Shigeya Ishigaki (15 patents)
US Patent 6158954 · Granted Dec 12, 2000