Assignee
Inventors
- Mitsunori Sato (20 patents)
- Osamu Hirata (23 patents)
- Daisuke Hiraoka (9 patents)
- Joji AKIZUKI (3 patents)
- Yutaka Takezawa (12 patents)
- Hiroshi Okumura (109 patents)
- Yutaro Kogawa (11 patents)
US Patent 9921682 · Granted Mar 20, 2018