Assignee
Inventors
- Shinji Sugiyama (71 patents)
- Hiroaki Sekiyama (22 patents)
- Keiko Katsukawa (2 patents)
- Minako Fujishiro (3 patents)
- Yoshiharu Sato (74 patents)
- Yukiko Nakamura (10 patents)
- Yoshimi Kobayashi (4 patents)
US Patent 8649946 · Granted Feb 11, 2014