Assignee
Inventors
- Isao Ookawa (2 patents)
- Mamoru Sawada (78 patents)
- Takeshi Sada (14 patents)
- Toshiki Matsumoto (53 patents)
- Katsuyuki Mori (10 patents)
- Akihiko Yagyu (7 patents)
- Yuuichi Minamiguchi (6 patents)
US Patent 9356548 · Granted May 31, 2016