Assignee
Inventors
- Yuki Okada (18 patents)
- Shingo Fujii (10 patents)
- Takanori Fukagawa (2 patents)
- Masahiko Nakahara (17 patents)
- Yoshiaki Takahasi (1 patents)
- Ryuichi Tachi (3 patents)
- Norio Ahiko (2 patents)
US Patent 7698643 · Granted Apr 13, 2010