Assignee
Inventors
- Ryoji Hiraoka (4 patents)
- Nobuyuki Iwai (74 patents)
- Tetsuya Nagai (25 patents)
- Yasuyuki Furukawa (6 patents)
- Isao Azumagakito (14 patents)
- Mitsuru Kowada (2 patents)
- Satoru Okada (65 patents)
US Patent 10031021 · Granted Jul 24, 2018