Assignee
Inventors
- Masuyuki Ota (24 patents)
- Genshiro Kawachi (91 patents)
- Masaaki Kitajima (42 patents)
- Tohru Sasaki (147 patents)
- Masahito Oh-e (12 patents)
- Katsumi Kondo (177 patents)
- Makoto Tsumura (69 patents)
US Patent 6563561 · Granted May 13, 2003