Assignee
Inventors
- Shoji Otaka (64 patents)
- Tsuyoshi Kogawa (25 patents)
- Koji Ogura (54 patents)
- Toshiyuki Umeda (44 patents)
- Takafumi Sakamoto (112 patents)
- Fumi Moritsuka (10 patents)
- Hiroaki Ishihara (34 patents)
US Patent 9614487 · Granted Apr 4, 2017