Assignee
Inventors
- Tsukasa Nakai (44 patents)
- Yasuaki Ootera (87 patents)
- Sumio Ashida (31 patents)
- Keiichiro Yusu (34 patents)
- Nobuhisa Yoshida (11 patents)
- Koji Takazawa (101 patents)
- Naomasa Nakamura (67 patents)
US Patent 7643397 · Granted Jan 5, 2010