Assignee
Inventors
- Tsuyoshi Yamagiwa (5 patents)
- Shouichirou Hidaka (4 patents)
- Hiroaki Nakao (15 patents)
- Motoharu Hirata (14 patents)
- Tsutomu Watanabe (163 patents)
- Hideharu Saiki (7 patents)
- Hideaki Kikkawa (2 patents)
US Patent 7520527 · Granted Apr 21, 2009