Assignee
Inventors
- Atsushi Otani (37 patents)
- Shigeo Hata (19 patents)
- Akihiko Sakai (42 patents)
- Shoji Takeda (34 patents)
- Satoru Yamamoto (121 patents)
- Keita Takahashi (186 patents)
- Hirotaka Seki (32 patents)
US Patent 8341461 · Granted Dec 25, 2012