Assignee
Inventors
- Mitsuo Usui (8 patents)
- Kiyofumi Kikuchi (19 patents)
- Ken Tsuzuki (34 patents)
- Hiroshi Fukuda (261 patents)
- Shuichiro Asakawa (12 patents)
- Shin Kamei (25 patents)
- Shunichi Soma (22 patents)
- Takashi Saida (30 patents)
US Patent 10165690 · Granted Dec 25, 2018