Assignee
Inventors
- Norimi Nakamura (25 patents)
- Teruo Shimamura (26 patents)
- Taro Nakamura (19 patents)
- Masaru Nakaji (10 patents)
- Mitsugu Kobayashi (42 patents)
- Ryouzou Imanishi (12 patents)
- Yoshimi Hirooka (15 patents)
- Koji Fujiwara (72 patents)
US Patent 9216777 · Granted Dec 22, 2015