Assignee
Inventors
- Hirotaka Doi (13 patents)
- Hiroshi Doumae (23 patents)
- Takuji Koyama (3 patents)
- Michiya Takezoe (4 patents)
- Keito KOTERA (7 patents)
- Masahiro Yamamoto (332 patents)
- Yoshitsugu Koyama (6 patents)
- Sumio Kagimura (14 patents)
US Patent 10320284 · Granted Jun 11, 2019