Assignee
Inventors
- Shinichi Sumi (9 patents)
- Hirohito Kikukawa (18 patents)
- Yasuhiro Agata (22 patents)
- Masanori Shirahama (28 patents)
- Toshiaki Kawasaki (39 patents)
- Ryuji Nishihara (15 patents)
- Yasue Yamamoto (12 patents)
US Patent 7397720 · Granted Jul 8, 2008