Assignee
Inventors
- Naoyuki Ochi (5 patents)
- Toyofumi Asano (6 patents)
- Masahiro Imaizumi (23 patents)
- Masaru Kudo (5 patents)
- Eiichi Nishihara (4 patents)
- Hiroo Koyanagi (7 patents)
- Sumio Ichimura (3 patents)
- Masahiro Hirano (65 patents)
US Patent 7678433 · Granted Mar 16, 2010