Assignee
Inventors
- Kiyoshi Miyashita (67 patents)
- Masamichi Kezuka (7 patents)
- Tetsuro Yoshii (10 patents)
- Ryohei Ogawa (39 patents)
- Akihiro Hishinuma (15 patents)
- Tsutomu Sakai (20 patents)
- Toyo Yano (2 patents)
US Patent 7648938 · Granted Jan 19, 2010