Assignee
Inventors
- Junji Nakai (31 patents)
- Hiroyoshi Matsumoto (25 patents)
- Masakazu Yoshida (52 patents)
- Souichi Nakazawa (18 patents)
- Tatsuro Watanabe (21 patents)
- Hiroyuki Hiratsuka (11 patents)
- Koji Nagai (35 patents)
US Patent 9623677 · Granted Apr 18, 2017