Assignee
Inventors
- Shinobu Kokufu (2 patents)
- Takeshi Suzuki (398 patents)
- Fumio Echigo (32 patents)
- Daizo Andoh (13 patents)
- Tatsuo Ogawa (44 patents)
- Yoshihiro Kawakita (19 patents)
- Satoru Tomekawa (28 patents)
US Patent 7047629 · Granted May 23, 2006