Assignee
Inventors
- Akihiko Sakai (42 patents)
- Atsushi Otani (37 patents)
- Shigeo Hata (19 patents)
- Shoji Takeda (34 patents)
- Satoru Yamamoto (121 patents)
- Keita Takahashi (186 patents)
- Hirotaka Seki (32 patents)
US Patent 8576427 · Granted Nov 5, 2013