Assignee
Inventors
- Shoichi Okamura (13 patents)
- Keiichi Fujii (24 patents)
- Susumu Adachi (24 patents)
- Shinya Hirasawa (10 patents)
- Toshinori Yoshimuta (38 patents)
- Koichi Tanabe (30 patents)
- Shigeya Asai (2 patents)
- Akihiro Nishimura (49 patents)
US Patent 7313218 · Granted Dec 25, 2007