Assignee
Inventors
- Shigeo Fujita (78 patents)
- Tatsuya Morioka (30 patents)
- Shizuo Fujita (16 patents)
- Yoichi Kawakami (17 patents)
- Mitsuru Funato (6 patents)
- Masafumi Harada (10 patents)
- Hajime Saito (29 patents)
US Patent 7560859 · Granted Jul 14, 2009