Assignee
Inventors
- Tetsuya Matsuda (41 patents)
- Ryuichi Nishiura (9 patents)
- Hiroyuki Akita (98 patents)
- Takeshi Imura (2 patents)
- Yasuo Fujiwara (3 patents)
- Yoshinori Shimizu (72 patents)
- Kazuaki Aono (8 patents)
US Patent 9024714 · Granted May 5, 2015