Assignee
Inventors
- Tsutomu Tatematsu (2 patents)
- Kenji Togashi (6 patents)
- Tetsuhiro Nanbu (2 patents)
- Shigenobu Ishihara (5 patents)
- Morihiko Hamada (3 patents)
- Yoshikazu Arisaka (8 patents)
- Kunihiro Itagaki (2 patents)
- Shigekazu Aoki (11 patents)
US Patent 7256591 · Granted Aug 14, 2007