Assignee
Inventors
- Kazuo Ishiyama (5 patents)
- Yasunobu Matsuoka (27 patents)
- Hideo Arimoto (22 patents)
- Norio Chujo (42 patents)
- Yoshinori Sunaga (66 patents)
- Kinya Yamazaki (27 patents)
- Yoshiaki Ishigami (54 patents)
US Patent 9217835 · Granted Dec 22, 2015