Assignee
Inventors
- Katsuaki Natori (52 patents)
- Masayuki Tanaka (250 patents)
- Akihito Yamamoto (69 patents)
- Katsuyuki Sekine (87 patents)
- Ryota Fujitsuka (29 patents)
- Daisuke Nishida (18 patents)
- Yoshio Ozawa (215 patents)
US Patent 8609487 · Granted Dec 17, 2013