Assignee
Inventors
- Keiji Hasumi (8 patents)
- Eriko Suzuki (1 patents)
- Yuuichi Nishimura (2 patents)
- Yoshikazu Kitano (3 patents)
- Keiko Hasegawa (8 patents)
- Naoko Nishimura (10 patents)
- Kohta Tsujihara (1 patents)
US Patent 9216987 · Granted Dec 22, 2015