Assignee
Inventors
- Yasuhiro Nakatsuka (55 patents)
- Keisuke Nakashima (36 patents)
- Shigeru Matsuo (106 patents)
- Masahisa Narita (11 patents)
- Koyo Katsura (91 patents)
- Hidehito Takewa (9 patents)
- Tomoaki Aoki (22 patents)
US Patent 7142213 · Granted Nov 28, 2006