Assignee
Inventors
- Yasuto Sakai (68 patents)
- Satoshi Shinada (210 patents)
- Taku Ishizawa (198 patents)
- Akira Ichihashi (24 patents)
- Yuichi Seki (81 patents)
- Akihiko Kitazawa (7 patents)
- Kenji Ito (229 patents)
US Patent 7147309 · Granted Dec 12, 2006