Assignee
Inventors
- Hiroshi Katsuno (70 patents)
- Takashi Bunya (7 patents)
- Unknown
- Shuichi Ota (36 patents)
- Izumi Kariya (8 patents)
- Sunao Kushiro (13 patents)
- Kazuyoshi Murata (8 patents)
- Hideki Yoneoka (4 patents)
- Koichi Numata (28 patents)
US Patent 8169644 · Granted May 1, 2012