Assignee
Inventors
- Tsutomu Kiyosawa (20 patents)
- Masao Uchida (73 patents)
- Nobuyuki Horikawa (21 patents)
- Koutarou Tanaka (15 patents)
- Kazuhiro Kagawa (21 patents)
- Yasuyuki Yanase (20 patents)
- Takashi Hasegawa (305 patents)
US Patent 8847238 · Granted Sep 30, 2014