Assignee
Inventors
- Kazunao Yamada (35 patents)
- Takashi Naito (130 patents)
- Toshiaki Niwa (34 patents)
- Masatoshi Takahara (27 patents)
- Fumiharu Ogawa (14 patents)
- Hideaki Suganuma (11 patents)
- Mamoru Kuraishi (8 patents)
US Patent 8725332 · Granted May 13, 2014