Assignee
Inventors
- Kiyofumi Ohtsuka (4 patents)
- Hirokazu Ishikawa (21 patents)
- Megumi Yokogawa (1 patents)
- Shinya Satoh (3 patents)
- Tatsuo Kishimoto (5 patents)
- Yuhichi Yabuki (1 patents)
- Tadao Nagasawa (4 patents)
US Patent 9495090 · Granted Nov 15, 2016