Assignee
Inventors
- Hirotaka Doi (13 patents)
- Hiroshi Doumae (23 patents)
- Takuji Koyama (3 patents)
- Nobuyasu Hiraoka (14 patents)
- Michiya Takezoe (4 patents)
- Sumio Kagimura (14 patents)
- Keito KOTERA (7 patents)
US Patent 10619878 · Granted Apr 14, 2020