Assignee
Inventors
- Kazuya Asaoka (11 patents)
- Nobuyuki Shiraki (17 patents)
- Shigeyoshi Hiratsuka (7 patents)
- Shin-ichi Kojima (17 patents)
- Toshihiko Tsukada (5 patents)
- Keiichi Shimaoka (18 patents)
- Kazunori Higuchi (9 patents)
US Patent 10131270 · Granted Nov 20, 2018