Assignee
Inventors
- Hirotaka Muto (14 patents)
- Toshiyuki Kikunaga (14 patents)
- Takeshi Ohi (10 patents)
- Shin-ichi Kinouchi (2 patents)
- Takeshi Horiguchi (33 patents)
- Osamu Usui (14 patents)
- Tatsuya Okuda (33 patents)
US Patent 6236110 · Granted May 22, 2001